A.would not die 
B.could not have died
C.might not die 
D.should not have died

A.change 
B.turn
C.run 
D.go

A.will go
B.goes 
C.went
D.has gone

A.message 
B.letter
C.sentence 
D.notice

A.Here it is.
B.Here are they.
C.Here you are.
D.Give you.

A.you to call 
B.you call 
C.your calling 
D.you're calling

A.Go on. 
B.Go ahead. 
C.Go up.
D.Go away.

A.You are welcome.  
B.I think so 
C.Yes, please.
D.The same to you.

A.I hope so 
B.Really
C.I'm glad you did 
D.The sound was nice

A.Don't worry about it.
B.Congratulations! That's a difficult course.
C.Mr. Brown is very good.
D.Good luck to you！