Mr. Black has been in Beijing a week. [ ]A. since B. for C. after D. before-八年级英语

题目简介

Mr. Black has been in Beijing a week. [ ]A. since B. for C. after D. before-八年级英语

题目详情

Mr. Black has been in Beijing             a week.  
[     ]
A. since      
B. for        
C. after      
D. before
题型:单选题难度:中档来源:同步题

答案

B

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