问题

Witnessing the explosion(爆炸) in a chemical plant in Kunshan is the most frightening experience ______ I have ever had.

A:that
B:when
C:which
D:who;

正确答案是：

同类题型

Half a month passed and the boy ______ all his money, so he had to turn to his friends for help.

Can you lend me the book Gone with the Wind— Sorry, I returned it to the library just now.Maybe it is still ____.

Could you give me a hand- Well, please tell me_______ it is first.

What’s _____ orange. _____ orange is_____ orange.

The game didn’t ______ until the world-famous player Yao Ming joined in.