A.for  
B.by  
C.through  
D.to

A.on
B.for   
C.by
D.in

A.of 
B.into 
C.to 
D.at

A.Where are you going?   
B.When will you leave?   
C.How is everything?  
D.Do you want to join us?

A.neighborhoods 
B.neighbor
C.neighborhood
D.neighbors

A.host 
B.hosting
C.be hosted 
D.be hosting

A.often 
B.once 
C.seldom 
D.usually

A.I'm afraid not, because I have to go to an important meeting.
B.Of course not. I have no idea. 
C.No, I can't.
D.That's all set.

A.at
B.on
C.from
D.with

A.to be  
B.have been   
C.is
D.being

A.dead
B.was killed 
C.killed 
D.was dead