Вставьте наиболее подходящую форму модального глагола.
1. I ... sleep for hours when I was a little girs.
a) could
b) am able to
c) can
2.You ... take an umbrellf today. The sun is shining.
a) needn't
b) mustn't
c) can't
3. You ... smoke so much.
a) would
b) can't
c) shouldn't