－How long has he ________ill?

－About a week. He ________ ill five days ago.

[　　]

I suggest that he ________ to the meeting instead of the manager.

[　　]

I spent all my spare time ________ the country music.

[　　]

Study hard, ________ you'll be able to use the language freely.

[　　]

We all know that the more you practice, ________ you speak English.

[　　]

She said she ________ the Summer Palace last August.

[　　]

The nurse is kind ________ me. It is kind ________ her to take care of me.

[　　]

I can't describe to you ________ at that moment.

[　　]

You have been to Tibet, ________? I was told that the snow-covered mountains were very beautiful.

[　　]

A．have you　　B．haven't you　　C．don't you

Tell those children ________ there. It's dangerous.

[　　]

A．not swim　　B．not to swim　　C．don't swim