I the dinner already. A. had cooked B. cooked C. have cooked D. cook——青夏教育精英家教网——

摘要： I the dinner already. A. had cooked B. cooked C. have cooked D. cook

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By the time my parents reached home, I ______ the dinner already.

A. had cooked

B. cooked

C. have cooked

D. cook

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By the time my parents reached home yesterday, I ________ the dinner already．

A．had cooked

B．cooked

C．have cooked

D．cook

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By the time my parents reached home yesterday, I _____ already _____ the dinner.

A. had; cooked
B. / ; cooked
C. have; cooked
D. did; cook

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