Question

【题目】 By the time I got up, my mother breakfast already.

A. cook B. has cooked

C. had cooked D. cooked

Answer 1

【答案】C

【解析】

试题解析：考查时态。by the time所接句中如果是现在时, 主句用将来完成时; by the time所接句中如果是过去时, 主句用过去完成时, 故选C。