题目内容

There ____ many people ____ in the office, but now nobody is allowed to.


A. used to be; smoking    
B. used to have ; smoking    
C. used to be; smoke    
D. used to have ; smoke

试题答案

A
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网