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