No matter who he is, young or old, people's state of mind tends to keep ______ with the rapid change of society.

A) shouldn't B) can't C) mustn't D) needn't

A) will come;will go

B) come;go

C) will come;go

D) come;will go

A) if

B) that

C) whether

D) why

A)we found

B)did we find

C)have we found

D)we have foundSection B

A)where

B)that

C)which

D)how

A)on

B)for

C)at

D)to

A)so

B)what

C)that

D)while

A)being discussed

B)to be discussing

C)having discussed

D)discussing

A)on which

B)by which

C)into which

D)from which

A)so far as

B)now that

C)even if

D)as soon as