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题目内容
(长春工程学院-大学英语4(专升本))
1. (单选题) The director had her assistant _____ some hot dogs for the staff members.(本题2.0分)
A、 picked up
B、 picks up
C、 pick up
D、 picking up
A、 picked up
B、 picks up
C、 pick up
D、 picking up
参考答案