Помогите с заданием !
Выберите правильный модальный глагол :

1. … you see anything in this darkness?

a) can b) may c) must

2. We … respect our parents
a) can b) may c) must

3. … we come and see you next Sunday in the afternoon?
a) can b) may c) must

4. I have my duties about the house. I … clean the rooms and wash the dishes.
a) can b) may c) must

5. … I come in?
a) can b) may c) must

6. I … not swim

a) can b) may c) must