Therea lot of trees here, but now it has be come desert.[ ]A. isB. wasC. used to beD. used to was-九年

题目简介

Therea lot of trees here, but now it has be come desert.[ ]A. isB. wasC. used to beD. used to was-九年

题目详情

There        a lot of trees here, but now it has be come desert.            
[     ]
A. is              
B. was            
C. used to be        
D. used to was
题型:单选题难度:中档来源:同步题

答案

C

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