Do some warming up exercise before sports. Or you _______ hurt yourself.
#62167
A
must
B
need
C
should
D
may
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You __ drive your car so fast. It's very dangerous.
#75401
A
wouldn't
B
shouldn't
C
couldn't
D
mightn't
When I went to their house, there was no light on. They _____ at home.
#62992
A
can’t be
B
couldn’t be
C
can’t have been
D
mustn’t have been