I'm sorry to keep you _____ so long.[ ]A. wait B. to waitC. waitingD. waited -八年级英语

题目简介

I'm sorry to keep you _____ so long.[ ]A. wait B. to waitC. waitingD. waited -八年级英语

题目详情

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

答案

C

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