He speaks fluently, ______ he makes grammar mistakes.

The correct answer is 'yet' because it indicates a contrast between speaking fluently and making grammar mistakes.

I waited for him ______ he never came.

The correct answer is 'but' because it shows a contrast between waiting and the fact that he never came.

He will call you ______ he gets the message.

The correct answer is 'whenever' because it indicates that the action of calling will happen at any time he gets the message.

She is poor ______ honest.

The correct answer is 'but' because it contrasts her poverty with her honesty.

You won’t pass ______ you work harder.

The correct answer is 'unless' because it sets a condition for passing.

She is not only a doctor ______ a writer.

The correct answer is 'but also' because it is used to add information to a statement with 'not only'.

______ you try, you’ll never succeed.

The correct answer is 'If' because it introduces a condition for success.

They left early ______ avoid the traffic.

The correct answer is 'in order to' because it indicates the purpose of leaving early.

______ I respect him, I don't agree with his views.

The correct answer is 'While' because it contrasts respect with disagreement.

He not only cooks well ______ also bakes perfectly.

The correct answer is 'but' because it is used with 'not only' to add information.

The thief ran away ______ the police shouted.

The correct answer is 'as soon as' because it indicates that the action of running away happened immediately after the police shouted.

I don't know ______ he's coming or not.

The correct answer is 'if' because it introduces a condition or possibility.

Either Ali ______ Ahmed will go.

The correct answer is 'or' because it is used with 'either' to present alternatives.

He neither smiled ______ greeted me.

The correct answer is 'nor' because it is used with 'neither' to negate two possibilities.

The match was cancelled ______ heavy rain.

The correct answer is 'due to' because it indicates the reason for the cancellation.

He walked in ______ I was leaving.

The correct answer is 'while' because it indicates that two actions were happening at the same time.

I stayed at home ______ it was raining heavily.

The correct answer is 'because' because it indicates the reason for staying at home.

We are late ______ the car broke down.

The correct answer is 'as' because it indicates the reason for being late.

He did not come ______ he was invited.

The correct answer is 'though' because it contrasts the invitation with his absence.

They continued working ______ it got dark.

The correct answer is 'till' because it indicates the time until which they continued working.

Not only my friends ______ my teachers praised me.

The correct answer is 'but also' because it is used with 'not only' to add information.

The child cried ______ he fell.

The correct answer is 'because' because it indicates the reason for crying.

Wait here ______ I return.

The correct answer is 'till' because it indicates the time until which you should wait.

She sang so sweetly ______ everyone clapped.

The correct answer is 'that' because it indicates the result of her singing sweetly.

He behaves ______ he knows everything.

The correct answer is 'as if' because it indicates a comparison with a hypothetical situation.

The teacher was strict ______ fair.

The correct answer is 'yet' because it contrasts strictness with fairness.

You can take tea ______ coffee.

The correct answer is 'or' because it presents alternatives.

He walked faster ______ he was late.

The correct answer is 'because' because it indicates the reason for walking faster.

______ I saw him, I waved.

The correct answer is 'When' because it indicates the time at which the action of waving happened.

I won’t forgive him ______ he apologizes.

The correct answer is 'unless' because it sets a condition for forgiveness.

______ he had studied, he failed.

The correct answer is 'Even though' because it contrasts studying with failing.

She left the room ______ saying a word.

The correct answer is 'without' because it indicates the absence of an action.

He will succeed ______ he works day and night.

The correct answer is 'if' because it introduces a condition for success.

The man spoke as though he ______ a king.

The correct answer is 'were' because it is used in the subjunctive mood to express a hypothetical situation.

The students were tired, ______ they kept studying.

The correct answer is 'yet' because it contrasts tiredness with continuing to study.

I was late ______ the traffic jam.

The correct answer is 'because' because it indicates the reason for being late.

He is good ______ painting.

The correct answer is 'at' because it indicates proficiency in an activity.

We’ll go out ______ it doesn’t rain.

The correct answer is 'if' because it introduces a condition for going out.

______ being late, he apologized.

The correct answer is 'On' because it is used to indicate the reason for apologizing.

I’ll join you ______ I finish work.

The correct answer is 'as soon as' because it indicates that the action of joining will happen immediately after finishing work.

He is lazy, ______ he scores well.

The correct answer is 'but' because it contrasts laziness with scoring well.

______ you like it or not, you must do it.

The correct answer is 'Whether' because it presents two alternatives.

They slept early ______ they had to wake up at 4 am.

The correct answer is 'because' because it indicates the reason for sleeping early.

He is clever ______ not arrogant.

The correct answer is 'and' because it adds information to the statement.

______ he had money, he didn’t buy a car.

The correct answer is 'Although' because it contrasts having money with not buying a car.

I will go ______ he calls me.

The correct answer is 'if' because it introduces a condition for going.

I respect him ______ he is sincere.

The correct answer is 'as' because it indicates the reason for respecting him.

The old man sat quiet ______ he was watching something.

The correct answer is 'as if' because it indicates a comparison with a hypothetical situation.

You should rest now, ______ you’ll feel tired later.

The correct answer is 'otherwise' because it indicates the consequence of not resting.

The team won the match ______ being tired.

The correct answer is 'despite' because it indicates that the team won in spite of being tired.