The patient could not recover unless he ___an operation.
A.had undergone
B.would undergo    
C.underwent
D.was undergoing

If I weren’t working for a film production company, I ___ as a dancer.
A.work
B.will work
C.have worked
D.would be working

If someone ___in, smile and say, “May I help you?”
A.comes
B.came
C.would come
D.could come

If you___, I would have brought my friends over to your house this evening to watch T.V, but I didn’t want to bother you.
A.had studied          
B.studied
C.hadn’t been studying    
D.didn’t study

There would be less conflict in the world if all people___the same language?
A.spoke
B.speak
C.had spoken
D.will speak

This library card will give you free access _____ the Internet 8 hours a day.


 
A.from
B.on
C.in
D.to

"We can’t go now. Let’s wait ______ the rain stops.”
A.until
B.when
C.after
D.as

_________ the rise in unemployment, people still seem to be spending more.
A.While
B.Despite
C.Meanwhile 
D.Although

I have to announce that the manager cannot attend our party today, ______________ is a pity.


 
A.that
B.who 
C.which 
D.what

Let’s go to the library,____________ ?
A.shall we 
B.will we
C.would we 
D.should we