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
— _______ do you go shopping with your mother?— I seldom do that.
#77640
A
How often
B
How soon
C
How far
D
How much
There ________ be any difficulty about passing the road test since you have practised a lot in the driving school.
#62501
A
mustn't
B
shan't
C
shouldn't
D
needn't
I hear you've got some new Australian coins. __________ I have a look?
#76697
A
Do
B
May
C
Shall
D
Should
— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.— Oh, it __________ my younger sister. She was in my room at that moment.
#62876
A
must have been
B
should have been
C
could have been
D
may have been
-- 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