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I am not sure if Tom____ home. If he________,  I'll call you.
#41005
A
willcome,willcome
B
comes,willcome
C
will come, comes
D
will come, come
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This is the museum ___ we visit yesterday.
#71674
A
where
B
which
C
the one
D
at which
--- Did Peter come back early last night? --- Yes. It was not yet eight o’clock _________ he arrived home.
#68110
A
when
B
that
C
until
D
before
China’s New Food Act provides for a food recall system    to producers have to stop production      their food isn’t up to standards.
#71551
A
that; if
B
where; if
C
which; when
D
when; where
 You may depend _________it won’t happen again.
#72070
A
that
B
on that
C
on it that
D
on it
(2013·青岛一模)Scientists are still wondering ________ the Egyptians built the pyramids so long ago.
#67260
A
how it is that
B
how is it that
C
it is how that
D
that how it is