—Is it ? (    )
—No, it  .

A．wind, isn't

B．windy, isn't

C．windy, aren't

用所给单词的适当形式填空。
【小题1】In the classroom, we should be_____________（quietly).
【小题2】Helen is_____________ . She dances _____________.(happy)
【小题3】The mouse_____________（bite)the door yesterday.
【小题4】—Would you like_____________（eat)some mushrooms? —Yes, please.
【小题5】The lion_____________（get)out from the net at last.
【小题6】You shouldn't_____________（catch)the birds. They are our friends.
【小题7】The dog and the cat_____________（become)good friends from then on.
【小题8】The boy_____________ (say), "I will go to the park." Then he got on the bus.
【小题9】The girl is_____________（dance)beautifully.

用所给词适当形式填空。
【小题1】Mike’s uncle ______(work ) near the sea.
【小题2】_______ he _____(goes) to work by car?
【小题3】He ________(not like) dancing.
【小题4】We should study hard and stay ______(health).
【小题5】I like singing, but my sister _______(do not ).

It's a______Chinese dinner. (    )

A．tradition

B．trade

C．traditional

Water is very . (  )

A．use

B．help

C．useful