连词特训（一）-8

一、单选题

1. 难度：中等

My brother knows a little Japanese, ________ he can understand the instructions of his camera.

A.so B.or C.but D.and

2. 难度：中等

Help others in need, ________ they will help you when you are in trouble.

A.and B.but C.or D.so

3. 难度：中等

Hold your dream, ________ you might regret some day.

A.and B.or C.but D.so

二、根据句意填空

4. 难度：中等

Stop cutting down trees, ________ the earth will become worse and worse.

5. 难度：中等

Study hard, ________ you may catch up with your classmates soon.

6. 难度：中等

The train was late, ________ we had to wait for half an hour.

7. 难度：中等

I like dancing, ________ I don't have enough time to practice it.

三、单选题

8. 难度：中等

Jack has learned more about teamwork ________ he joined the soccer team.

A.until B.since C.while D.though

9. 难度：中等

The little boy was sleeping in the bed________ his mother was cooking in the kitchen.

A.since B.while C.because D.once

10. 难度：中等

________ he entered the classroom, he realized he had left his homework at home.

A.As B.Since C.If D.Until

11. 难度：中等

The two companies decided to work together, ________ they had common interest.

A.because B.though C.while D.until

12. 难度：中等

“Look before you leap.” is an English saying. It tells us to think carefully ________ we act.

A.after B.as C.before D.when

13. 难度：中等

________ Tom isn't rich enough, he still spends much money on books.

A.Unless B.After C.Although D.Because

14. 难度：中等

________ I know little about English, I can't understand this English text completely.

A.Although B.Since C.While D.Until

15. 难度：中等

Bob was talking with his uncle ________ his sister was dancing at the party.

A.though B.after C.until D.while

16. 难度：中等

There will be less pollution ________ more people choose public transportation.

A.until B.though C.before D.if

17. 难度：中等

You won't know the final result ________ you hold on to the end.

A.though B.after C.because D.unless

18. 难度：简单

Steven went to help the others ________ he finished his work.

A.after B.although C.until D.since