b) Write should / shouldn't or must. I think trips and journeys are great, but they be dangerous. We If we travel by car, we We we follow a few simple rules. fasten our seat belts. wear a helmet when we ride a bike. Remember: be ready for any weather; we think about safety in any situation.

Решение:

Заполним пропуски, используя модальные глаголы should (следует), shouldn't (не следует) или must (должен/обязан), в зависимости от степени необходимости или рекомендации.

1. I think trips and journeys are great, but they can be dangerous. We should follow a few simple rules.
2. If we travel by car, we must fasten our seat belts.
3. We should wear a helmet when we ride a bike. Remember:
4. be ready for any weather; we should think about safety in any situation.

Ответ: can be, should, must, should, should.