Even a drop of water ______because it is so important to all the living things.
#76903
A
must waste
B
must be wasted
C
mustn’t waste
D
mustn’t be wasted
推荐题目
－ Whose is this blue bike? －It ________ be Mary’s. Her bike is black and white.
#75716
A
must
B
can’t
C
can
D
mustn’t
—We need a person badly to be in charge of this design.—________ the new comer have a try?
#62868
A
May
B
Will
C
Shall
D
Need
---I was told to be here at this time.---Sorry, you ___________. I forgot to tell you we've changed the plan.
#76828
A
must
B
may
C
can't
D
needn't
Being examined twice a year, whether it is a car or a bus or a truck, it is the rule that every driver____ obey in this city.
#63081
A
shall
B
can
C
has to
D
need