题目内容
【题目】We________wear a uniform at school．
A. have to
B. has to
C. had to
D. have
【答案】A
【解析】have to意为“不得不”，有人称和数的变化。根据句意可知选A。
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题目内容
【题目】We________wear a uniform at school．
A. have to
B. has to
C. had to
D. have
【答案】A
【解析】have to意为“不得不”，有人称和数的变化。根据句意可知选A。