题目内容
5. — Mary work in a hospital in the past?
—Yes,she did.
A. Did B. Does C. Can D. Was
5. A
5. A 由答语可知用助动词did。
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题目内容
5. — Mary work in a hospital in the past?
—Yes,she did.
A. Did B. Does C. Can D. Was
5. A 由答语可知用助动词did。