问题

Nowadays it is difficult for people to find work in theworld because ___ economic situation is very serious

A:when
B:why
C:what
D:that

正确答案是：

同类题型

I have bought two ballpens，________ writes well.

Excuse me. Is this the right way to the Summer Palace? — Sorry, I am not sure. But it _____be. [ ]

How did the game ________ last night —I don’t know. I fell asleep in the middle of it.

There is _________with his computer. He can’t play any games.

do you go to the movies — Oh, once a week.