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题目内容
（商丘师范学院大学英语3(专升本)）
12. (单选题) When Lily came home at 5 p.m. yesterday， her mother ______ dinner in the kitchen.(本题1.0分)
A、 cooked
B、 was cooking
C、 cooks
D、 has cooked
A、 cooked
B、 was cooking
C、 cooks
D、 has cooked
参考答案