It was when Asimov was eleven years old ________ his talent ________ writing became obvious.
#85300
A
when; for
B
that; on
C
that; for
D
/; on
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It is the protection for the trees___________ really matters, rather than how many trees are planted.
#85499
A
what
B
that
C
不填
D
which
It was at the very beginning _______ Mr. White made the decision ______ we should send more firefighters there.
#85226
A
that; that
B
when; which
C
there; what
D
where; what