--- Where is Ms Han?

---She is carrying out ___experiment with her students in the lab.

A．a B．an C．the

----How many birds can you see in the tree?

---- ___

A．None B．No one C．No

Some parents have left their hometown ____make a living in some cities.

A．so that B．such that C．in order to

--- Do you know Yang Zhengning?

--- Certainly．He is a great scientist _______won the Nobel Prize for physics．

A．which B．whose C．who

---I think we should write a letter about the pollution_______ the newspaper.

--- Ok, Let’s begin.

A．to B．at C．for

Maybe the disaster(災難)can destroy our homes, but _______can destroy the love in our life．

A．something B．everything C．nothing

--- Hello! Could I speak to Mr. Liu , please?

--- Sorry, he____ for a month．

A．was left B．has been away C．had been away

--- What are we supposed to do first if we want to develop our village?

--- Lots of new roads ___,I think.

A．must build B．must be built C．can be built

---Look, Betty’s skiing so fast!

--- _____You know , her legs were once broken.

A．It’s hard to believe.

B．I’m sorry to hear that.

C．It’s hard to say.

People _____ Hongkong ____the Oriental Pearl and Shopping Heaven

A．regard, to B．think, for C．regard, as