题目内容
--- I’m sure Tom will pass the final examination.
--- I think so.He for it for months.
A.had been preparing B.was preparing
C.is preparing D.has been preparing
D
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题目内容
--- I’m sure Tom will pass the final examination.
--- I think so.He for it for months.
A.had been preparing B.was preparing
C.is preparing D.has been preparing
D