问题
选择题
Half of the students _ to the concert given by Andy Lau. They said it was wonderful. [ ]
A. has been
B. has gone
C. have gone
D. have been
答案
答案：D
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Half of the students _ to the concert given by Andy Lau. They said it was wonderful. [ ]
A. has been
B. has gone
C. have gone
D. have been
答案：D
