California Drivers   ~An English-Zone.Com Page~  ANSWER KEY
Modals: must-mustn't / have to-don't have to / has to-doesn't have to / should-shouldn't
1. In California, you ___ have a driver's license to drive a car. a) has to
b) don't have to
c) must 
d) mustn't
2. While you are driving, you ___ listen to the radio. It's not necessary. a) don't have to
b) doesn't have to
c) must 
d) mustn't
3. If you plan to take a long trip in the car, you ___ get a full tank of gas or you might run out of gas. a) should
b) don't have to
c) has to
d) mustn't
4. When you are putting gasoline in your gas tank, you ___ smoke. It is forbidden. a) don't have to
b) have to
c) must
d) mustn't
5. It's not a good idea to talk on a cell phone and drive at the same time. Drivers ___ do that. a) should
b) shouldn't
c) must
d) have to
6. In some states, it is illegal to talk on a cell phone in your car. Those drivers ___ use phones in their cars. a) don't have to
b) should
c) must
d) mustn't
7. If you plan to take a long car trip, you ___ take a cell phone with you in case of emergencies. It's a good idea. a) should
b) shouldn't
c) must
d) mustn't
8. Drivers on the freeway ___ be very careful because California freeways are dangerous. a) don't have to
b) has to
c) must
d) mustn't
9. People who ride horses ___ take their horses on the freeway. That would be a stupid thing to do! a) don't have to
b) have to
c) must
d) mustn't
10. In California, you ___  have a driver's license to ride a bicycle. a) don't have to
b) have to
c) must
d) mustn't
11. When driving on the freeway, drivers ___ go faster than the speed limit, or they might get a speeding ticket. a) don't have to
b) doesn't have to
c) must
d) mustn't
12. Drivers ___ be kind to other drivers on the road. It's a good thing to do. a) should
b) shouldn't
c) must
d) mustn't
13. But drivers ___ be kind to other drivers on the road. It's a choice, not a law. a) don't have to
b) doesn't have to
c) must
d) mustn't
14. In California, a driver ___ wear a seatbelt. It's the law. a) should
b) shouldn't
c) must
d) mustn't
15. Motorcycle riders ___ wear helmets. That's another California law. a) should
b) shouldn't
c) must
d) mustn't
16. Motorcycle riders ___ wear a leather jacket. It's their choice. a) have to
b) don't have to
c) must
d) mustn't
17. When a driver sees an ambulance or fire truck coming, the driver ___ move to the right side of the road to get out of the way. a) have to
b) should
c) must
d) mustn't
18. Drivers ___ have sunglasses for driving. They make it easier to see, but they're not necessary. a) have to
b) don't have to
c) shouldn't
d) mustn't
19. Passengers on a bus ___ smoke. It is against the law. a) should
b) don't have to
c) must
d) mustn't
20. A bus driver ___ have a special license to drive passengers. They pass a test for this license. a) should
b) doesn't have to
c) must
d) mustn't
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