—Look at the sign! —Oh, I see.We _______ waste water.
#77631
A
can
B
must
C
mustn’t
D
needn’t
推荐题目
---I was trying to carry out the plan, but I failed.---Well, you _____, for we were uncertain it would do ____.
#63211
A
needn’t do that, in fact
B
needn’t have done, in effect
C
needn’t have, in practice
D
needn’t, in time
—Why didn’t you come to Simon’s party last night?—I wanted to, but my mom simply _____ not let me out so late at night.
#63622
A
ould
B
might
C
would
D
should
—Look! A book is on the floor. Whose is it?—It ______be Rick's. It has his name on it.
#76529
A
mustn't
B
can't
C
must
D
need
The school rules state that no child _____ out of the school, unless accompanied by an adult.
#63402
A
shall allow
B
shall be allowed
C
will allow
D
will be allowed