1 . The Smithsonian National Zoo in Washington, D.C, kicked off a six-month ________ (celebrate) of the 50th anniversary of the arrival of two giant pandas.

2 . The policeman stopped and spoke to the koala about the dangers of running across streets. But it ________ (not work).

3 . —Can you play ________ guitar?
—Yes, I can.

A．the

B．a

C．an

D．/

4 . What time does the girl get up?

A．At 6: 00.

B．At 6: 30.

C．At 6: 45.

5 . My little son won’t go to sleep ________ I tell him a story every night.

A．when

B．if

C．unless

D．because

6 .

A．She stayed at home.

B．She cleaned up the city park.

C．She climbed mountains.

7 . What ________ if I ________ to turn off water?

A．happen; will forget	B．will happen; will forget
C．happen; forget	D．will happen; forget

8 . —Excuse me. Can you tell me what time it is now?
—Sorry, I ________. My watch doesn’t work.

A．can’t

B．may not

C．mustn’t

D．needn’t

9 . Please look a____ your sister at home.

10 . —Does your brother have a r____ face?
—Yes, and he has small eyes.