Mike______my letter; otherwise he would have replied before now.A、couldn’t have

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问题 Mike______my letter; otherwise he would have replied before now.

选项 A、couldn’t have received
B、ought to have received
C、has received
D、shouldn’t have received

答案 A

解析 情态动词题。根据句意可知,实际上迈克没有收到我的信,因此,排除B、C;而D意为“不应该收到”,不符合题意,故排除;couldn’t have received“不可能已经收到”,和原文内容相符,故A为答案。
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