---It’s difficult for the village children to cross the river for school.
---I think a bridge _________ over the river.
A. was built B. should be built C. has been built D. is being built
By the year 2015, all of China’s museums will be free to enter. We____ visit any museum without paying money.
A. can B. need C. must D. should
---He ______be waiting for the result of the examination.
---I know, but no one ______to tell him the bad news.
A. must, dare B. should; dared C. must, dares D. can, dares
—Have you decided where to go for your summer vacation?
—Not yet. We _________go to Qingdao. It is a good place for vacation.
A. may B. should C. need D. must
—Look! The man at the gate ________ be our headmaster.
—No, it _________ be him. He is holding a meeting in the office.
A. must, can’t B. must, mustn’t C. can, can’t D. can, mustn’t
The sentence "Food or drink shouldn't be taken into the concert hall.” means_________.
A. People can take food and drink into the concert hall.
B. People can have either food or drink in the concert hall.
C. People are not allowed to take food or drink into the concert hall.
D. No people are allowed to have food or drink out of the concert hall.
