A dictionary is necessary if you want to learn English, so you’d better buy    .

A．this    B．that    C．it   D．one

While she is a lovely girl, she    be extremely difficult to work with.

A．may     B．must    C．should   D．can

Our chemistry teacher announced that he would do the experiment in a different way    

we might find interesting.

A．which    B．in which   C．in that    D．whom

With challenges before you, you should believe your courage is     makes a difference.

A．that      B．what    C．which    D．whatever

      the large amount of time devoted to playing the piano, she doesn’t play well enough.

A．Because   B．Since    C．Despite   D．With

My most     moment was trying to introduce a woman whose name I couldn’t remember.

A．embarrassing   B．awful   C．embarrassed  D．shabby

This summer she took a training course, which was    to help people develop their reading skills.

A．operated   B．devoted   C．designed   D．furnished

It is well known that the Internet will let people have    to huge amounts of information from their own homes.

A．appeal   B．attention   C．access   D．approach

Unitl tens of years ago, most zoos      in such a way—animals in one area and birds in another.

A．were organized      B．had organized  

C．will organize        D．have been organized

Jack always sleeps late on Sundays. I’m sure he    when we get to his home.

A．is still sleeping          B．is to be sleeping

C．will still be sleeping      D．will have been sleeping