1、【题目】Bob often ____ his mother with the housework on Sundays.
选项：
A.help
B.helping
C.helps
D.helped
答案：
C
解析：
暂无解析
1、【题目】Chairperson Xi calls on us to do what we can_______ as much as possible.
选项：
A.save
B.tosave
C.saved
D.saving
答案：
B
解析：
暂无解析
1、【题目】-Howcanwehelpthechildreninthemountainvillage?
-Wecan_______leafletstoaskpeopletodonatemoney.
选项：
A.givein
B.giveoff
C.giveup
D.giveout
答案：
解析：
1、【题目】Mom asked me to _____________ grandpa when she w as out.
选项：
A.lookup
B.lookat
C.lookfor
D.lookafter
答案：
D
解析：
暂无解析
1、【题目】-How do you like this piece of music by Tan Dun?
-Well, of all the music that he has written, I think this is his_______ one.
选项：
A.better-known
B.well-known
C.best-known
D.most-known
答案：
C
解析：
暂无解析
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