My friend Mary is _____ outgoing girl and _____ girl everyone likes to work with.

A. an, a                   B. an, the                    C. the, a              D. the, the

—I have some big news for you. You’ve been accepted as a member of our club.
—_______ That’s great!
A. Have I ? B. Pardon?　　　　　　　　　

C. Congratulations!　　　 D. Good idea!

comfortably in his chair, the old man enjoyed music with his eyes half_________.

A.Seated, closed B.sat, closing C.seating,closed D.sitting,close

  You have to reorganize your article to make it _______.

A. understand   B. represent   C. make sense    D. stand for

If you __ go, at least wait until the storm is over．

       A．can          B．may               C．must        D．will

It is human activities on the earth that are to _______ global warming.

A. be blamed for　 B. blame for　 C. take charge of　 D. be responsible with

I like the house with a beautiful garden in front, but I can’t afford______．

       A．one              B．this         C．it                   D．that

 His glasses, _____he was like a blind man, were broken.     

A. with which       B. with it        C. without which    D. without it

Experiments of this kind    in both the U．S．and Europe well before the Second World War．

       A．have conducted                                    B．have been conducted

       C．had conducted                                     D．had been conducted

So _____ in the darkness that he didn't dare to move an inch.

A. he was frightened B. was he frightened　C. frightened he was　D. frightened was he