—May I smoke here?—No, you ______. This is a no-smoking room.
Every year there are ______ people come to visit our school.A. hundreds B. hundreds of C. hundred
---Is this _______ bike? ---No. ________ is black.A. your; My B. your; Mine C. yours; Mine
---______ is the beef?----Sixty yuan a kilo. ______ would you like?
There ________ traffic jams in the air in the 2150s.
People often lose things when they are in _______ hurry.A. 不填 B. the C. a