Teachers like students ________ them all kinds of questions.

[　　]

Yesterday I bought a book about ________ sun and ________ moon.

[　　]

Are you sure ________ your money?

[　　]

You have never traveled on a plane ,________?

[　　]

This is one of ________ books that I have ever read.

[　　]

A．most interesting

B．the most interesting

C．much more interesting

D．so interesting

Sorry, I ________ to bring my pen. I think I ________ it at home.

[　　]

A．forgot ,have left

B．have forgotten, left

C．forget, left

D．forget, leave

—Excuse me. Have you got a knife?

—I think I've got ____. Here you are.

［　　］

A． this　　　B．that　　　C．one　　　D．it

—Could you give me some paper?　

—Yes , you can fiind______ 　　　　 　　　　 　　　　 on the table.

［　　］

A．them.　　　　　　 　B．a lot of papers

C．some pieces　　　　　D．much of papers

If you ________ the library book, you must ________ it．

[　　]

A．have lost; pay　　　　　　B．lose; pay for

C．will lose; pay　　　　　　D．have lost; pay for

从所给的四个选项中选择最佳答案

I'll help you if I ________ free．

[　　]

A．will be　　　　　B．have

C．am　　　　　　D．was