There are shops on ________ side of the street. _______ of them don’t close until 12 at night.

It’s popular to use QQ to _________ with each other on the Internet now.

I hear that Lily’s brother is a worker here.—Look! The manis working over there is her brother.

_______ is this backpack? –It’s yellow．

He________ an English club last year and has improved his English a lot.