Not having work out the problem, leave the office．
#63683
A
so he was not allowed to
B
and he didn’t want to
C
the teacher couldn’t make him
D
he couldn’t free himself to
推荐题目
--- How’s your new babysitter? --- We ______ ask for a better one. All our kids love her so much.
#63288
A
should
B
might
C
mustn’t
D
couldn’t
-----Where is my key? I remember I put it here yesterday.--------You ______ it in the wrong place.
#63592
A
must put
B
should have placed
C
might put
D
might have put
I ________ myself more— it was a perfect day.
#62719
A
shouldn’t have enjoyed
B
needn’t have enjoyed
C
wouldn’t have enjoyed
D
couldn’t have enjoyed
—Dad，can I go to the movies tonight?--Sure，but you__come back home before 9 o’clock.
#76861
A
can
B
must
C
may
D
might