______ is often the case in science, there is no simple answer
#31110
A
That
B
As
C
When
D
Where
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I think going swimming in my spare time, _____ I think is great fun and good exercise as well as a useful skill.
#34727
A
which
B
as
C
that
D
what
I’m fine — I just felt a bit sleepy and tired, that was ________ I went to bed so early."
#33071
A
because
B
when
C
that
D
why
___ 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