【題目】He ______ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.

A.shouldn’t beB.can’t have finished

C.can’t beD.mustn’t have finished

【答案】B

【解析】

考查推測句。句意：他現(xiàn)在不可能寫完了卷子。我十分鐘之前留下他時，他還沒有寫一個字。根據(jù)句意可知，此處考查對過去情況的否定推測，其表達為can’t have done不可能做某事，故選B項。

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