Модальные глаголы. Выбери правильный модальный глагол.
1)I sing songs.
a) can b) must c) may
2) We get up early on Sunday.
a) can’t b) mustn’t c) can
3)My brother do his homework every day.
a) mustn’t b) must c) can
4) I come in?
a) Can b) May c) Must