1 . —He was born here.   
—That is _______ he likes the place so much.

A．that

B．what

C．why

D．how

2 . —I felt sick!   
—I think it is _______ you are doing too much.

A．why

B．when

C．what

D．because

3 . The reason is_________ I missed the bus.

A．that

B．when

C．why

D．what

4 . The old building, behind _____ was a famous church, was _____ we used to work.

A．that; the place

B．it; the place

C．which; where

D．what; where

5 . He did not see the film last night. That is _______ he had to help his little sister with her homework.

A．why

B．because

C．that

D．how

6 . _______ really matters is _______ you do, you must do it well.

A．What; what	B．Whatever; whatever
C．What; whatever	D．Whatever; what

7 . —Many parents do almost everything for their children, but the children still fail them.
—That's _______ these parents are mistaken.

A．how

B．where

C．what

D．why

8 . If I don't laugh, I have to cry. Maybe this is _____at many funeral people share funny stories about the person who has just died.

A．why	B．how
C．because	D．when

9 . The exciting moment ________ Gerry will always remember is ________ he approaches the Harbor Bridge and the Opera House.

A．that; that

B．that; when

C．when; that

D．when; when

10 . The reason why he hasn’t come is ___________.

A．because his mother is ill	B．because of his mother’s being ill
C．that his mother is ill	D．for his mother is ill