— May I go out now, Dad?— No. You let your mother know first.
A. can
B. may
C. need
D. must
You not have come last night.
A. can
B. need
C. may
D. will
Little Jenny not go alone at night.
A. need
B. can
C. may
D. dare
We respect the old.
A. can
B. ought
C. should
D. need