4. It is difficult to tell what's real these days, as the lines between virtual reality and real life become blurred. A. 错误 B. 正确 ...

19. — I slipped on the stairs. I think my arm is broken. — Oh! I _______. A. do not hope so B. do not hope C. hope not so D. hope not ...

14. I don't like the way ______ you talk to your mother. A. / B. in that C. which D. of which ...

9. His collection of stamps is _______, if not more expensive. A. more expensive than his friend's B. as expensive as his friend's C. as expensive as his friend D. not so expensive as his friend ...

4. — Who's got all my money? — He ______. A. does B. is C. has D. was ...

4. Being an active teacher rather than a passive participant is the key to your success. A. 错误 B. 正确 ...

9. Was it during the Second War ______ he died. A. that B. while C. in which D. then ...

1. It is ______ who ______ wrong. A. me; me B. me; has C. I; am D. I; is ...

6. Microblogging differs from a traditional blog in that its content is typically smaller. A. 错误 B. 正确 ...

1. Every day words like google, unfriend and app simply didn't exist in 1990. A. 错误 B. 正确 ...