???????2017????????????????
??????120??????120???
??????? ????????20С????20???
??. ??????5?ζ????????????????A,B,C?????????????????????????????ζ????2?顣
??????????????????(???????????30??)
?????????????(????15С???С??1?????15??)
???С????????A??B??C??D??????????????????????????????
21. ??_____ do you communicate with your friends far away?
?? By sending e-mails.
A. How B. What C. Why D. When
22. We should try to avoid ______ the things that we don??t need.
A. buy B. buying C. to buy D. to buying
23. He asked me_________ we could go to Beijing to watch the game by plane.
A. that B. if C. how D. what
24. Jenny is on holiday now. I wonder ________.
A. when she will come back B. when she comes back
C. when will she come back D. when does she come back
25. My sister isn??t ___________to look after herself.
A. young enough B. enough young C. old enough D. enough old
26. ??Is the man over there Mr. Brown?
??It ______be him. He has gone to Brazil to watch the World Cup.
A. may not B. can??t C. shouldn??t D. mustn??t
27. I am weak in math, so I think I should practice as much as I can ______ my math.
A. improved B. to improve C. improving D. improve | 
