1 . It is worth ________ to stay in touch with your friends, for you can turn to ________ for help when in trouble.

A．that; themselves

B．it; themselves

C．those; them

D．it; them

2 . This book isn’t ______. It belongs to ______.

A．his; she

B．his; her

C．him; her

D．he; she

3 . Elephants are among the longest living animals, and some of ________can live up to 70 years in the wild.

A．which

B．whom

C．them

D．that

4 . —What do you think of ________ Chinese teacher?
—She is an excellent teacher. I’ve improved a lot since she taught _____ Chinese.

A．our; us

B．our; our

C．ours; us

D．ours; our

5 . In the old days, stock brokers earned commissions every time________ bought or sold a stock on their client’s behalf.

A．when they

B．they

C．/

D．that

6 . Nowadays many old people raise dogs as pets to keep ________company so that they will no longer feel lonely.

A．them

B．themselves

C．it

D．itself

7 . It is probably impossible for you to understand anything new without the mind referring to the basic knowledge _______ has already obtained.

A．it

B．/

C．that

D．which

8 . The wild animals are in great danger now. Let’s protect ________.

A．they

B．them

C．their

9 . —Are those books ________?
—No, they are not mine. They belong to ________.

A．your; he

B．yours; her

C．your; hers

D．yours; she

10 . Mr. Green taught ________ English in our school and taught________ French at home.

A．us, his

B．him, us

C．us, himself

D．our, himself