1 . It is a well-known fact ________ the faces some people show to the world might be completely different to their real personalities.

A．what

B．that

C．which

D．when

2 . You are old enough to ________ your own living.

A．win

B．take

C．gain

D．earn

3 . More highways have been built in China, making ______ easier for people to travel everywhere.

A．that

B．what

C．it

D．which

4 . We’d like to go to the new ______, where many paintings from famous Chinese painters will be on display.

A．noble

B．exhibition

C．recognition

D．motion

5 . Suitable jobs include bus driver, machine ______, sailor and tailor.

A．minor

B．operator

C．accent

D．pond

7 . Oceans, like the rest of the world, are impacted by the burning of fossil fuels and the        of greenhouse gases like carbon dioxide.

A．supply

B．assistance

C．disposal

D．release

8 . —Would you like to go out for a walk with us?
—_________, but I must finish my homework first.

A．Of course not

B．That’s all right

C．I’d love to

D．Yes, I do

9 . We had to take a detour (绕路). The road ______.

A．was repaired

B．had been repaired

C．was repairing

D．was being repaired

10 . I know Bob has gone to California, but could you tell me when he _____ here?

A．is leaving

B．left

C．has left

D．would leave