Hangzhou ________ as the City of Silk. Tourists like shopping for silk there.
A. knows B. is known C. was known D. will be known
My home town is taking action to _________ air pollution.
A.cut up B.cut out C.cut down D.cut off
“A white elephant” means something that is useless, ___________ it may cost a lot of money.
A.unless B.until C.since D.although
（2017·江苏宿迁·13）—We can invite Nick and Paul to Shanghai Disneyland with us.
—________ I'll give them a call right now.
A.Why not? B.What for? C.Of course not. D.Not at all.
Don’t stand too close to North Americans. You’d better give them more personal .
A. time . B. system . C. space . D. pity
Eating dumplings at the Spring Festival is ________ in China.
A.patient B.luckily C.possible D.traditional
