题干


My classmate Andrew went to Vancouver , Canada in 2005 , and_____since .

A:has not heard of

B:had not heard of

C:has not been heard of

D:had not been heard of

上一题 下一题 0.0难度 选择题 更新时间:2018-07-23 09:08:45

答案(点此获取答案解析)

C