Alice her teeth every day. (  )

A．brush

B．brushes

C．clean

用所给单词的适当形式填空。
【小题1】Do you know how ____________ (protect) the Earth.
【小题2】What can we do ___________(keep) our city clean?
【小题3】--Look at the sign. You can’t talk here.
--Sorry. We ___________(not see) it just now.
【小题4】He would like____________ (go) shopping with you.
【小题5】What __________（make）the river dirty?
【小题6】Well ________(do), children!

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 ).

More friends ______ in, Simon's dog ______ in too. (   )

A．comes; come

B．come; comes

C．come; come

用所给词的正确形式填空。
【小题1】Listen! Someone ______ (sing) in the music room.
【小题2】Why ______ (do) they like running?
【小题3】He ______ (not like) playing basketball. He ______ (like) playing tennis.
【小题4】She sometimes ______ (go) to school on foot.
【小题5】My hobby is skating. Is skating ______ (you) hobby?
【小题6】I often help my mum ______ (clean) the windows on Sundays.