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
推荐题目
— I missed the earliest flight in the morning. It was really a pity. —You _________ to the airport by taxi instead of by bus.
#62664
A
should go
B
should have left
C
should leave
D
must have gone
---Who’s the man over there? Is it Mr. Black?--- It _________ be him. He’s much taller.
#74268
A
may not
B
can’t
C
will not
D
mustn’t
---Mum, could I go shopping with you? --- Yes,________ . But you have to finish your homework first.
#74498
A
you can
B
you could
C
you can’t
D
you couldn’t
Tom’s score on the test is the highest in the class. He _____.
#62444
A
should study last night
B
should have studied last night
C
must have studied last night
D
must study last night