中文谷Iamsorrytohavekeptyou foralongtime. A.wait B.tow...
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问题详情：
I am sorry to have kept you for a long time.
A. wait B. to wait C. waiting D. to wait
【回答】
C
知识点：动词和动词短语
题型：选择题
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问题详情：
I am sorry to have kept you for a long time.
A. wait B. to wait C. waiting D. to wait
【回答】
C
知识点：动词和动词短语
题型：选择题
