1
You ... devour so much! You will become obese.
are not to
can't
mustn't
needn't
2
Sheila ... learn manners. She embarrassed herself yesterday.
must
should
needs to
is to
3
You just ... be tired. You got out of your bed ten minutes ago.
mustn't
can't
needn't
shouldn't
4
I didn't ask Greg because I knew he ... help me.
didn't have to
couldn't
might not
had to
5
... you be happy !
Can
Should
Must
May
6
We ... discuss the matter with Jason, but it looks like he is cross with you.
can
must
need to
may
7
I ... go vegan one day, but not now.
can
better
may
should
8
You can join me if you want to. I just want you to know that you ... .
needn't
had better not
don't have to
better not
9
I will buy that cheap bicycle and you ... beat me to it.
better not
mustn't
can't
shouldn't
10
I ... exercise with that heavy dumbbell. I will have hernia.
needn't
may not
better not
can't