Question

4. Why are you sitting here doing nothing? You ... to be
working
A) should B) could C) ought D) must
5. You ... wear your best clothes. You'll get them dirty.
A) needn't to B)doesn't have to C)couldn't D) mustn't
6.1... work tomorrow. It is a good opportunity to go to the
country,
A) am allowed B) am not allowed
C) will have D) won't have to​

Answer 1

1. you ought to be working

2. you needn't (тогда без to) wear или mustn't wear

3. I won't have to work