In practice, usually occur(出现) within museums, galleries（美术馆）, halls, and World’s fairs.
A. operations B. vacation C. decision D. exhibitions
---Excuse me ? Do you know _________?
---He may live No.l6, Horse Bridge Road, Ken Town.
A. where does Mr. Smith work B. where Mr. Smith lives
C. how Mr. Smith comes back D. when Mr. Smith goes home
You____ return the book now. You can keep it next week if you like.
A. must B. mustn't C. needn't D. have to
Xiao Fang paid ￥360 for the bag ____ only cost ￥200.
A. who B. how much C. what D. that
----I knocked at the door of your house at 9:00 yesterday morning . But nobody answered me.
-----Oh, I ________a walk with my parents at that time .
A. take B. was taking C. took D. have taken
All the volunteers were very tired but ____of them were busy looking for the missing child.
A. both B. neither C. all D. none
