Not the director but actors ________ what they can ________ money for the disabled.

[　　]

A．want to do, collect

B．wants to do, collect

C．want to do, to collect

D．wants to do, to collect

In Arab countries, you eat ________ the fingers of your right hand.

[　　]

________, the book interests many adult readers, too.

[　　]

A．It was written for children

B．Though written for children

C．Though for children written

Something must be done to stop pollution ________ the world clean.

[　　]

He is used to ________ like this.

[　　]

Tom went out to play with his lessons ________.

[　　]

With Mr Frank ________ us, I'm sure we'll succeed.

[　　]

Having heard a strange sound, he hurried into the room only ________ it empty.

[　　]

At the shopping-centre, he didn't know what ________ and ________ with an empty bag.

[　　]

A．to buy, leave

B．to be bought, left

C．to buy, left

D．was to buy, leave

根从所给的四个选项中选择最佳答案

It was very kind ______ you to help me______trouble．

[　　]

A．to, from　　　B．of, which　　　 C．for, out　　　D．of, out of