题目内容
—Mr. Li, let’s go fishing this weekend with Lao Wang, shall we?
—I’d love to, but nobody knows if he _______ free then.
—I’d love to, but nobody knows if he _______ free then.
A.will | B.is | C.will be | D.has been |
C
在if 引导的宾语从句中,从句的时态,要根据本来的时态决定,故选C
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