题目内容
() 5. (2014 扬州) 一Has your friend completed his design?
—-Not yet. He on it last night
A. worked B. has worked C. is working D. was working
5.D
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题目内容
() 5. (2014 扬州) 一Has your friend completed his design?
—-Not yet. He on it last night
A. worked B. has worked C. is working D. was working