--It is really fun to hike and I often go hiking in the forest.--But hiking alone in the forest ______ be very dangerous.
#63596
A
can
B
must
C
shall
D
will
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Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.
#62205
A
shall
B
must
C
may
D
will
—David is often absent from class.—Tell him he ________ answer for it if he goes on behaving like that.
#62331
A
shall
B
might
C
would
D
can
--- This must be a footprint of a tiger. --- It ____ be. A tiger’s should be much larger and deeper than this.
#62711
A
mustn’t
B
won’t
C
shan’t
D
can’t
------It took me about 40 minutes to ride here.------Have a drink ,please. You ________ be thirsty.
#74832
A
will
B
should
C
must
D
might
— I’m a little tired. Let’s go to the zoo by taxi. —We ________take a taxi. It’s not far from here.
#74623
A
needn’t
B
couldn’t
C
mustn’t
D
can’t