---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 |
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---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 |