—What did you buy?
--- I _______ some juice.

A．buy

B．buys

C．bought

识图填空
1.  My grandpa is 33 years ____________ ____________ my mother.
2.  I ____________ good ____________ yesterday.

What _________ you do last summer?

A．did

B．do

C．was

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!

He _______ a taxi ten years ago? (   )

A．drives

B．drived

C．drove