People ______always be careful with fire， or it can be dangerous.
#76425
A
can
B
needn’t
C
must
D
shouldn’t
推荐题目
If you often go to a gallery, it ______ well change forever the way you look at art.
#62805
A
may
B
should
C
will
D
must
- Look! It’s raining again. -- Why _________it rain on Sundays? We are always staying inside! What a nuisance!.
#63568
A
need
B
can
C
must
D
should
Something terrible _________ if he didn’t come to the bar as he always did.
#62701
A
should happen
B
might happen
C
must have happened
D
can have happened
Mary __________ the job he offered to her, but she didn’t.
#63532
A
can’t take
B
ought to have taken
C
should take
D
must have taken
----Must I finish that work today?----No, you _____. You may finish it in three days.
#74320
A
mustn’t
B
needn’t
C
Shouldn’t
D
couldn’t