(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
—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job? —______ my students have a try?
#62920
A
May
B
Must
C
Will
D
Shall
Don’t worry. All the children will_____ arrive at school on time tomorrow.
#75043
A
are able to
B
can
C
be able to
D
can be able to
–Mom, may I go swimming with my friends in the river? –No, you _________. That’s too dangerous.
#76231
A
won’t
B
don’t
C
needn’t
D
mustn’t