The twins ____ Canada for three weeks. A.has been to B.have been _英语解答

The twins ____ Canada for three weeks. A.has been to B.have been to C.have gone to
D. have been in

人气：278 ℃　时间：2020-01-29 20:51:32

解答

D对,
因为主语是复数,排除A,而B与C　不能与FOR　短语连用.
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