1. —May I open the window to let in some fresh air ?

   —___________

   A. Come on     B. Take care    C. Go ahead!    D. Hold on!

Since 1 won the big prize，my telephone hasn’t stopped ringing. People____to ask how I am going to spend the money.

A．phone    B．will phone

C．were phoning D．a(chǎn)re phoning

We tried to find a table for seven，hut they were all        ．

    A．given away     B．kept away  C．taken up      D．used up

---- Putting on a happy face not only helps us make friends but also makes us feel better.

   ---- _______.

      A. I’d love to                   B. I’m with you on that

C . It’s up to you                D. It’s my pleasure

A. notice was_______in order to remind the students of the changed lecture time.

A. sent up           B. given up        C. set up           D. put up

 My sister met him at the Grand Theater yesterday afternoon, so he ＿＿＿＿ your lecture．

A．couldn't have attended  B．needn't have attended

C．mustn't have attended   D．shouldn't have attended

The CDs are on sale! Buy one and you get ______ completely free. 

A. other      B. others      C. one     D. ones ks

In the botanical garden we can find a(n)____of plants that range form tall trees to small flowers.

A.     species  B. group  C.  amount  D. variety

There is a great deal of evidence        that music activities enegage different parts of the brain .

A. indicate        B. indicating        C.  to indicate       D. to be indicating

His sister left home in 1998, and _______since.

A. had not been heard of       B. has not been heard of

C. had not heard of           D. has not heard of