He met Rachel at her college graduation ceremony in 2011, ________ he was later to marry.
#67273
A
which
B
when
C
where
D
whom
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The argument remains extremely heated there are necessary conditions of existence such as water on the Mars.
#71649
A
that
B
whether
C
if
D
which
--- I can’t find Xiao Ping. Where did you see him this morning?--- In the reading room _________ he often studies in.
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A
that
B
where
C
in which
D
the one
________ it rain tomorrow, we would have to put off the sports meeting.
#66947
A
Were
B
Would
C
Does
D
Should