—Hi, Susan, you look tired.
—I ______ for months for the coming celebration for the school’s 60th anniversary.
A.was preparing | B.have been preparing | C.had prepared | D.prepare |
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—Hi, Susan, you look tired.
—I ______ for months for the coming celebration for the school’s 60th anniversary.
A.was preparing | B.have been preparing | C.had prepared | D.prepare |