2. Choose the correct words.

1. I look / 'll look for some food if you find / 'll find some drinking water.

2. She won't watch / don't watch that survival film if she feels / 'll feel tired.

3. If it will be / is very hot on holiday, they buy / 'll buy some cool clothes.

4. Will / Do you make dinner if I light / 'll light a fire?

5. If you 're / 'll be patient and determined, you win / 'll win the Desert Challenge.

6. If we buy / will buy a tent, do / will you come camping with us?

7. Will / Do they build a shelter if we find / 'll find some big branches?

8. If she doesn't bring / won't bring a sleeping bag, she's / ‘ll be cold at night.

4. Complete the sentences with should / must.

1. We … be at the airport by 9:45, or we'll miss the plane.

2. It's quite warm. I think you … wear a T-shirt.

3. That girl is very ill. She … go to the hospital.

4. This ice cream is nice. Perhaps you … try it.

5. You … eat lots of fruit and vegetables. It's always a good idea.

6. This football match is very important for our team. We … win it!

7. You … go to the new art gallery. You'll enjoy it.

8. You … always show your passport at the airport. It's the rule.