He has ________ changed after that.

[　　]

Would you please ________ me the newspaper?

[　　]

I have some ________ doing my homework.

[　　]

During the Spring Festival, the waiting-rooms in the railway stations are usually ________ passengers.

[　　]

Lin Tao was ill, so he stayed in bed all day instead of ________.

[　　]

Each of the students ________ after tasting the mixture.

[　　]

I would prefer you ________ your request in writing.

[　　]

He did what he could ________ her.

[　　]

I told him ________ he would succeed ________ he tried hard.

[　　]

The room ________ smoke and I had to go out.

[　　]