题干


. Doctor Wang _____ at seven o’clock for the conference, but she didn’t turn up.    

A:should have arrived

B:should arrive

C:should be arrived

D:should be arriving

上一题 下一题 0.0难度 选择题 更新时间:2019-10-03 01:08:43

答案(点此获取答案解析)

A