问题

How did your mathematics exam go?—I thought I ,but in fact I fell behind in the class.
A:should have been the top 10
B:could have been the top 10
C:may have been the top 10
D:need have been the top 10
B:could have been the top 10
C:may have been the top 10
D:need have been the top 10
正确答案是:
同类题型
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