---Can children under the age often ride bicycles in your city?
---No, according to the law, they ________.
A. may not B. needn't C. mustn't D. shouldn't
__________ , the bus is coming!
A. Hurry up B. Sit down C. Hold. on D. Stand up
When a ____ man invites you to have a drink in a bar, you should refuse out of safety.
A. boring B. interesting C. happy D. strange
There is only __________milk left.We need to buy some more.
A.little B.a little C. few D.a few
More and more people would like to go on vacation abroad They should remember ________ with good manners.
A. to act B. act C. acting D. of acting
(题文)The man tried several times to start the car, and he succeeded .
A. in the past
B. in the end
C. at first
D. at once