题目内容
----I’m sure Andrew will win the first prize in the final.
---- I think so. He _________for it for months.
A.is preparing B.was preparing
C.had been preparing D.has been preparing
D
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题目内容
----I’m sure Andrew will win the first prize in the final.
---- I think so. He _________for it for months.
A.is preparing B.was preparing
C.had been preparing D.has been preparing
D