She has been skating _______she came to our city.[ ]A. for B. whenC. sinceD. before-八年级英语

题目简介

She has been skating _______she came to our city.[ ]A. for B. whenC. sinceD. before-八年级英语

题目详情

She has been skating _______she came to our city.   
[     ]
A. for          
B. when        
C. since        
D. before
题型:单选题难度:中档来源:同步题

答案

C

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