----- What does Canada export?

---- A large quantity of wheat_____ sent away.

A. is          B.are        C. have        D. is being

I’m not going to say sorry to him, ___ I won't today.

         A.At last     B.At most     C.At first     D.At least

—Is there a fog in the evening ?

    —There           be . I’ll make a phone call to find it out .

       A．must                  B．would                C．will                    D．might

I don’t understand how you got a ticket. I always _____ you _____ a careful driver.

A．think;are      B. am thinking, are      C. thought, were         D. think, were

一Hello．Is Mr．Fred  available  now?

一        ．

A．I am Mr．Fred．

B．Speaking．

C．Who are you?

D．Who are you looking for? 

—Well, that was really a good meal. I _______ you were a really good cook.

—Thank you.

A．didn’t know                 B．don’t know           C．haven’t know       D．hadn’t known

When          why he behaved that way at table，he made no reply．

A．being asked            B． asked                C．a(chǎn)sking             D．to ask

With a lot of difficult problems             , the newly-elected president, Barack Hussein Obama, will have a hard time.

    A. settled             B. settling       C. to settle        D. being settled

For each individual, sport is ___ possible source for inner improvement. Olympism seeks to create a way of life based on ___ joy found in effort.        

A．a(chǎn); a                     B．the; the               C．a(chǎn); the                  D．the; a

The problem puzzled me so much that I stopped for a few seconds to try to_______.

A. make it over    B. make it off     C. make it up    D. make it out