I’ veusing plastic bags when shopping. — You’ re right.It’ s good for our environment.

The present media have changed our daily communication. The messages ______ most of us rely are briefer than they once were.

did you stay there –For five days．

I’m sure that your letter will get _____attention. They know you’re waiting for the reply.

habit is formed, it will take a long time to get rid of it．