題目列表(包括答案和解析)
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Yesterday it rained heavily when school was over. We stay in our classroom.
A. should B. must C. have to D. had to
Yesterday it rained heavily when school was over. We ________ stay in our classroom.
A. should
B. must
C. had to
Yesterday it rained heavily when school was over. We ________ stay in our classroom.
A. should
B. must
C. had to