问题描述：
—It’s a long time since we met last.Haven’t you graduated from college yet?.
—It’s a long time since we met last.Haven’t you graduated from college yet?—_____.I ______ English for four years in Nanjing University.
A．No,study B.Yes,have studied C.No,am studying D.Yes,studied
为什么答案选D
—It’s a long time since we met last.Haven’t you graduated from college yet?—_____.I ______ English for four years in Nanjing University.
A．No,study B.Yes,have studied C.No,am studying D.Yes,studied
为什么答案选D
问题解答：
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