2 . 仔细阅读下列句子，每句中均有一个错误，请找出并在横线上改正，请按下列情况改正：
该句多一个词：把多余的词用斜线(\)划掉，在该行右边横线上写出该词，并也用斜线划掉。
该句缺一个词：在缺词处加一个漏字符号(∧)，在该行右边横线上写出该加的词。
该句错一个词：在错的词下画一横线，在该行右边横线上写出改正后的词。
1. He likes playing guitar.
2. She has a sweetly voice.
3. Why not to follow his advice!
4. Yesterday he has his leg broken.
5. We can find some informations on the website.

3 . Have you heard about the player        got the first prize in the swimming?

A．which

B．what

C．who

D．whom

5 . I was about to go to bed _______ the fire broke out. （用适当的词填空）

6 . He will get a job more easily ________ he makes his computer skills better.

A．if

B．before

C．while

D．though

7 . We will never forget the doctors are working hard in the fight against the novel coronavirus (新冠病毒).

A．when

B．where

C．who

D．which

8 . — When did you go to bed last night?
— I didn’t go to bed     my father got home.

A．while

B．after

C．when

D．until

9 . We will go on an outing tomorrow ________ it doesn't rain.

A．until

B．while

C．unless

D．if

10 . Every possible means ________ to prevent the air pollution, but the sky is still not clear.

A．are being used	B．have been used
C．has been used	D．had been used