— When _________ this kind of computer ________? — Last year. [ ]A. did; useB. was; usedC. is; usedD

题目简介

— When _________ this kind of computer ________? — Last year. [ ]A. did; useB. was; usedC. is; usedD

题目详情

— When _________ this kind of computer ________?
— Last year.
[     ]
A. did; use  
B. was; used  
C. is; used  
D. are; used
题型:单选题难度:中档来源:同步题

答案

B

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