问题

Zhengzhou was attacked by such a terrible sandstorm ________ few residents had ever experienced before

A:which
B:as
C:where
D:that

正确答案是：

同类题型

.If the firms failed to make enough money, they would __________.

What way are you thinking of ________ ridof this kind of pollution

If it is quite _________to you, I will visit you next Tuesday.[ ]

I ______ the chance to apply for the new post. What do you think — I think you should go for it. We’ll all back you up.

We were all_______ at the_______ news.