Chọn đáp án đúng nhất :

1. You.....look both ways before crossing the street
A. couldn't       B. should         C. mightn't       D. would
2.you.....always wear a safety belt when driving or riding in a car
A. could      B.shouldn't       C. mustn't           D. must
3.You........text and drive. The use of handheld devices is prohibited here
A. mustn't    B.shouldn't        C. can't           D won't
4.in some areas cyclist and pedestrians.....share the footbath, these are called shared use paths
A. should     B. shouldn't      C. can                D. can't
5.drivers....drive into a street with a "no entry" sign
A. can't         B.mustn't           C. shouldn't        D.mightn't
6. Most countries in Europe.......only use electric cars in the next 20 years, so be ready for it
A. mustn't        B. should         C. can't         D.might
7.you ...... watch the oncoming traffic when walking along a road
A. shouldn't        B. would           C.should     D.mustn't 
8. In New york city, you.....turn right on red-unless a sign says you can
A. should           B. can                 C. might         D.can't
9. Passangers.......never get on or get off from a moving bus
A. shouldn't          B.should          C. won't        D. will