_______the people have become masters of their country _______ science can really serve the people.
#32678
A
It is only then; that
B
It was that; when
C
It is only when; that
D
It was when; then
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—Look, the paint is starting to come off ____ the wall is damp.—Well, we'd better have the wall repainted some day.
#31419
A
when
B
where
C
if
D
once
—How long will it be ________ the 30th Olympic Games is held in London? —It won’t be two years, I think.
#32499
A
when
B
that
C
before
D
since
_____ the old man’s sons wanted to know was ____ the gold had been hidden.
#31851
A
What; where
B
That; what
C
What; that
D
That; which