问题描述:
By the end of last week 611 people from 49 countries( )to attend the meeting,with nearly
half coming from Germany.A.had registered.B.have registered.C.registered.D.were registered为什么选A不选B?
half coming from Germany.A.had registered.B.have registered.C.registered.D.were registered为什么选A不选B?
问题解答:
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