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
-- I can’t believe that Jeff _______ have quarreled and fought with his boss.-- Well, if one _______ ask for trouble, it just can’t be helped.
#62585
A
would; will
B
must; may
C
should; must
D
need; dare
—It's no easy task to catch a ticket on a website that receives 1 billion clicks daily.—I can't agree with you more. There ________ be errors for every single step.
#62404
A
should
B
must
C
can
D
will
I’m as busy as a bee；________ you bother me with so many questions now?
#62283
A
may
B
must
C
can
D
shall
---I can’t stop playing computer games. --For your eyes,my boy,I’m afraid you______.
#74828
A
can
B
may
C
have to
D
must