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
—Real Madrid is sure to win the match !—It’ s hard to say . You know, anything ________ happen even in the last minute.
#62525
A
need
B
must
C
should
D
can
——Who’s the man over there?Is it Mr. Black?——It______be him. He’s much taller.
#75454
A
may not
B
can’t
C
will not
D
mustn’t
---There’s someone knocking on the door. Who _________ it be?---It must be John. He promised to be here at 8:00.
#62792
A
must
B
can
C
need
D
shall
_______ you tell me how I_______ get to the No．168 Middle School?
#74566
A
Do；can
B
Can；could
C
Could；can
D
Could；could
It has been announced that all the students ____ put on masks before going to school in case they are infected with SARS virus.
#62892
A
shall
B
will
C
need
D
may