【单选题】He is supposed to ______ to the meeting, but he didn't.
A. come
B. have come
C. be coming
D. coming
网考网参考答案:B
网考网解析:
be supposed to do sth.意为“应该做某事”。由句中的he didn't可知事情发生在过去,所以应该用动词的完成式,表示过去的希望、预期等没有实现。故答案为B。
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