_______important for us _______ English well.
A. It’s; to learn B. This is; to learn
C. It’s; learn D. That’s; learn
—What’s your hobby?
—I _______ listen to music, but now I enjoy dancing.
A. am used to B. used to C. am used D. use to
The old man died _______ a cold snowy night.
A. in B. on C. at D. Over
He is _______ young _______ to school.
A. too; to go B. can’t; go
C. too; go D. so; to go
—I think computers are _______ more important than radios.
—I don’t agree with you.
A. much B. very C. too D. So
I’m if there are UFOs.（飞碟）
A. sure not B. not sure
C. not be sure D. sure that
