(2013·江西六所重点高中一模)We ________ take clean drinking water for granted. One day we may run out of it.
#62428
A
needn't
B
can't
C
won't
D
shouldn't
推荐题目
--Do you think Jack will lend us a hand?--He is the last one to help others. He _____lend his hand, though.
#62966
A
can
B
must
C
should
D
might
Cheating is strictly forbidden in this important exam, and students ______ bring any reference books into their classrooms, cell phones included.
#62589
A
will not
B
should not
C
mustn’t
D
need not
People ______always be careful with fire, or it can be dangerous.
#76425
A
can
B
needn’t
C
must
D
shouldn’t