1 . The bird __________ its wings quickly as it flew on.（(使)规律作响，作节奏运动）

2 . —Did you catch the sparrow?
—No. As soon as the bird saw me, it ________ its wings quickly and flew away.

A．beat

B．hit

C．crashed

D．blew

3 . —Tom, why are you always putting your clothes everywhere?
—Mum, please ________ the mess. I’ll tidy up my bedroom later.

A．beat

B．agree

C．excuse

D．cancel

4 . The Great Wall was built in ancient times to _________ against enemies from the north.

A．play

B．turn

C．guard

D．beat

5 . Listen! The rain is beating ________ the window. It’s just like a special kind of music.

A．through

B．against

C．above

D．toward

6 . If you leave the cooked noodles for a long time, they will ________ together.

A．add

B．beat

C．stick

D．mix

7 . Sorry, I couldn’t hear your phone because the heavy rain ____ (beat) against the windows.

8 . I heard the rain ________ (beat) against the window when I woke up last night.

9 . My heart started to ________ very fast right before giving a talk in front of so many people.

A．bark

B．break

C．beat

D．bite