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题目内容
（西昌学院-财务管理-大学英语2）
When Lily came home at 5 p.m. yesterday, her mother ____ dinner in the kitchen.
(A) cooked
(B) was cooking
(C) cooks
(D) has cooked
(A) cooked
(B) was cooking
(C) cooks
(D) has cooked
参考答案