___ we know some basic knowledge concerning AIDS, we can protect ourselves from being infected.
#33392
A
If only
B
Even if
C
So long as
D
Unless
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．The terrible flood swallowed the village ________ the villagers could get away. No one survived it.
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after
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as
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since
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before
— Will you go out to play for a while, Kate? —Not I finish all of my homework.
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when
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if
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after
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unless
Many thanks to the whole team and to my family, understanding and support has made my success possible.
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A
which
B
that
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who
D
whose
It’s important to give the babysitter an emergency phone number ___ the children get hurt or sick.
#33416
A
in case
B
unless
C
even if
D
so long as