A.haven't seen
B.didn't see 
C.hadn't seen 
D.don't see

A.I miss you.
B.Fine. Thank you. And you? 
C.Are you OK? 
D.This way, please.

A.Fine, thank you. 
B.How are you? 
C.Nice to meet you, too. 
D.Thank you

A.is it 
B.isn't it
C.what's it 
D.isn't that

A.if
B.as soon as
C.until
D.or

A.I have  
B.have I  
C.I did  
D.did I

A.nor 
B.or
C.but 
D.and

A.less intelligent 
B.the most intelligent 
C.intelligent as well 
D.as intelligent as

A.Congratulations! 
B.Are you sure of that? 
C.What a pity!  
D.It's terrible.

A.look for
B.look on
C.look after   
D.look up