They _________ in Dalian four years ago. (    )

A．lives

B．are living

C．lived

—Where were the cakes? (   )
—_______ on the first floor.

A．It was

B．They were

C．They are

Write sentences with the given words: I want to go to a Chinese restaurant. (yesterday)
_______________________________________.

改写单词
I _______________ (make) a card for my cousin last Christmas.

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!