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Andy has____for five years.Five years____a long time.A.come back home;is B.come back home;areC.been at home;isD.been at home;are

题目详情
Andy has____for five years.Five years____a long time.A.come back home;is B.come back home;are
C.been at home;is
D.been at home;are
▼优质解答
答案和解析
选 C
解析:
① for + 时间段,句子用完成时
② 时间作主语,常看作是整体,用单数,所以用is
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