3. Mobile phones have become such important a part of life that many people cannot leave home without their phones. A. 错误 B. 正确 ...

18. — You can't come today, can you? — _______. A. Yes. I can come tomorrow B. Yes, I can't come tomorrow C. No, but I can come tomorrow D. No, I can come tomorrow ...

13. There are ______ children attending school in our village than in your village. A. a few B. few C. less D. fewer ...

3. — It's a long time since I saw my sister. — ______ her this weekend. A. Why not visit B. Why not to visit C. Why not visiting D. Why don't visit ...

8. You must also become familiar with your teachers' teaching styles. A. 错误 B. 正确 ...

3. It was bored to sit there without anything to do. A. 错误 B. 正确 ...

14. Only when you have got enough data ______ come to a sound conclusion. A. can you B. you can C. would you D. you would ...

7. It was the way he asked ______ really upset me. A. that B. so C. therefore D. so that ...

10. When Chopin was sixteen, he attended the Warsaw Conservatory of Music, directing by composer Joseph Elsner. A. 错误 B. 正确 ...

19. I need one more stamp before my collection ______. A. has completed B. complete C. has been completed D. is completed ...