问题
选择题
By the time my parents reached home yesterday, I _____ already _____ the dinner. [ ]
A. had; cooked
B. / ; cooked
C. have; cooked
D. did; cook
答案
答案：A
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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
答案：A
