11. Since you need the book badly, you might as well ______ a copy though it is expensive.
A. buy B. to buy
C. buying D. bought
12. Don't tell Lao Lin about it, ______ ?
A. will you B. won't you
C. can you D. can't you
13. He claimed ______ that mountain alone.
A. climbing B. to have climbed
C. to climb D. climbed
14. We'd better hurry ______ it's getting dark.
A. and B. but
C. unless D. as
15. There is something wrong with my computer. I'll have it ______.
A. repaired B. repair
C. repairing D. repairs
16. ______ busy he is, he always finds some time to read every day.
A. No matter what B. No matter how
C. No matter when D. No matter where
17. Look, ______ .
A. there he goes B. there goes he
C. he goes there D. he there goes
18. I don't mind ______ by bus, but I hate standing in queues.
A. to travel B. traveling
C. travel D. having traveled
19. ______ my parents could understand me !
A. Not only B. As to
C. As if D. If only
20. The tourists went ______ far that they got lost.
A. too B. such
C. very D. so
