题干

—Look! There are so many people over there. _______?

—I don't know.

A:What the matter

B:What's the wrong

C:What is happen

D:What's happening

上一题 下一题 0.0难度 选择题 更新时间:2018-12-07 10:37:04

答案(点此获取答案解析)

D