這是對過去的猜測,屬于虛擬語氣,答案應(yīng)為A.
D could表示過去的能力,即過去有能力做某事,跟題意不符.
默文英語
Did mary come to the party I do not know .she_wh
Did mary come to the party I do not know .she_wh
-Did Mary come to the party I do not know .she_while I was out.
-I do not know .She _while I was out.
A.may have come B must have come C might come D could come為什么不用D
-Did Mary come to the party I do not know .she_while I was out.
-I do not know .She _while I was out.
A.may have come B must have come C might come D could come為什么不用D
英語人氣：984 ℃時間：2019-08-28 03:44:33
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