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
答案: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