题目内容
By the time my parents reached home yesterday, I __________ the dinner already.
A.had cooked |
B.cooked |
C.have cooked |
D.cook |
A
“我做饭”发生在“父母到家之前”,故用过去完成时。
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题目内容
A.had cooked |
B.cooked |
C.have cooked |
D.cook |