问题
选择题
Half of the class ________ done most of the work. The left ________ rather hard.[ ]
A. have ; is
B. has; is
C. have ; are
D. has ; are
答案
答案：A
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Half of the class ________ done most of the work. The left ________ rather hard.[ ]
A. have ; is
B. has; is
C. have ; are
D. has ; are
答案：A