I'msorrythatIhavekeptyou _____mesolong.[ ]A. waiting B. to wait C. waiting for D. to wait for-九

题目简介

I'msorrythatIhavekeptyou _____mesolong.[ ]A. waiting B. to wait C. waiting for D. to wait for-九

题目详情

 I'm sorry that I have kept you _____ me so long. 
[     ]
A. waiting
B. to wait
C. waiting for
D. to wait for
题型:单选题难度:中档来源:同步题

答案

C

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