I ___________in the No.8 Middle School for three years, and I have been in this school for one and a half years.

I’m going to cut the big trees down..—What________?

The man got to New York in 1998,_______ some time later, he became a famous computer engineer.

Ann, _____ the lights when you leave the classroom.

It’s difficult to guess what his ______ to the news would be.