___ 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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He didn’t care, ________ he could have something to fill his stomach.
#30106
A
in case
B
so long as
C
as if
D
even though
Having checked the doors were closed, and ________ all the lights were off, the boy opened the door to his bedroom.
#29971
A
why
B
that
C
when
D
where
Our school is no longer ____ it was 10 years ago, _____ it was not well equipped.
#31942
A
what, which
B
that , which
C
what, when
D
that, where
We considered him to be a true friend, ______did many others whom he had cheated
#33832
A
which
B
as
C
when
D
though