--I am sure Mary will win the first place in the coming competition.
--I think so. She ________ for it for months.
A.has prepared | B.has been preparing |
C.had prepared | D.prepared |
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--I am sure Mary will win the first place in the coming competition.
--I think so. She ________ for it for months.
A.has prepared | B.has been preparing |
C.had prepared | D.prepared |