当你介绍朋友给别人认识,应该说________.A. I'm Mike.B. This is Li Lei.C. He's Li Ming.
The Science Museum interests me a lot.. I enjoy ______there.
I have two sisters. One is in Beijing, ______is in Lanzhou.
My mother was ______ tired _____ he went to bed without supper tonight.
My mother told me TV too much , It’s bad for my eyes.
The policeman asked the child so that he could take him home.