一．单项选择题（15）
( )1. I study for a test____ working with a group.
A. in B. by C. at
( )2. Mary _____ be at home. I saw her in the library just now.
A. mustn’t B. needn’t C. can’t
( )3. I hate people _____ talk much but do little.
A. who B. where C. which
( )4. I’d rather stay at home than _____ to Larry’s birthday party.
A. go B. to go C. going
( )5. They were ____when they heard the _____ news.
A. excited, exciting B. exciting, excited C. excited, excited
( )6. ---You used to be quiet, ____ you?
----Yes, and I used to be very shy.
A. wasn’t B. didn’t C. aren’t
