Question

1 You have to/mustn't eat a healthy breakfast every morning. 2 You must/mustn't be careful with what you eat. 3 We mustn't/have to exercise every day for at least 30 minutes. 4 You must/mustn't go to the doctor when you have a cold.

Answer 1

1 have to

2 must

3 have to

4 must

Answer 2

Ответ:

1 You have to eat a healthy breakfast every morning.

2 You must be careful with what you eat.  

3 We have to exercise every day for at least 30 minutes.

4 You must go to the doctor when you have a cold.

Объяснение:

have to=must - должен что-то сделать,

mustn`t - не должен.