Grade 8 Exercise (Must or Should)

Please put the correct use of must or should!

1. Look at all of that snow. It ... be really cold outside.

2. Plants...........have sunlight, water and air to grow well.

3. Can you recommend any exercise, or ......... I see a doctor?

4. My sister is on her way, she ........ be here soon.

5. By next month, I ........ have enough money to buy a new mobile phone.

6. It's five in the morning and you still haven't gone to bed? You ......... be tired for sure.

7. I told Kathy she .......... try to get some rest.

8. He ........ not play with those wires if he doesn't know what he is doing.

9. We ...... have a special permit to camp in the national park.

10. You ......... pay more attention in class if you want good grades.

II. Choose the best answer.
1. You ___________ bring your passport to travel to another country.
 must
 should
 must not
 should not
2. You ___________ bring a camera on your trip.
 should not
 should
 must not
 must
3. You __________ bring plants, food, or animals to other countries.
 should
 must
 should not
 must not
4. You __________ go through customs when you enter a new country.
 should not
 must not
 should
 must
5. You ___________ have a ticket to go on an air plane.

 should
 must not
 must
 should not
6. You ___________ bring a bathing suit if you are going to a place with a beach.
 must
 must not
 should not
 should
7. To be safe, you _________ take a lot of cash with you.
 should not
 should
 must not
 must
8. You __________ research the places you plan to visit.
 must not
 must
 should not
 should
9. You __________ check in with the airline before you get on the airplane.
 must
 should
 must not
 should not
10. You __________ arrive at least 3 hours early for your flight.
 should
 must
 should not
 must not