Question

please do task a and b

Answer 1

Ответ:
Task A.
1) have to, 2) can, 3) can't, 4) have to, 5) can, 6) mustn't, 7) can't, 8) don't have to worry.
Task B.
1) can, 2) don't have to, 3) have to, 4) can, 5) hasn't to, 6) can't, 7) mustn't, 8) must, 8) mustn't.