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How long has your brother ___ in our country in the past thirty years.A.borrowed B.lent C.bought D.had是选C还是选D?

题目详情
How long has your brother ___ in our country in the past thirty years.
A.borrowed B.lent C.bought D.had
是选C还是选D?
▼优质解答
答案和解析
D
其它三个是终止性动词,它们的现在完成时的肯定式不能与HOW LONG 连用.