Engines are to machines _________ hearts are to animals.
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A
as
B
that
C
what
D
which
推荐题目
The explorers failed to find the cave because it was not located they had expected it to be.
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A
which
B
that
C
where
D
what
----Have you seen Mr. Black these days, Jack? ----Yes, I met him when I ________ in the street yesterday.
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A
walked
B
was walking
C
have walked
D
is walking
2. --- Give me a call as soon as you ______ in Hainan. --- OK, I will
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A
arrive
B
have arrived
C
will arrive
D
arrived
Many children，______ parents are away working in big cities，are taken good care of in the village.
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A
their
B
whose
C
of them
D
with whom
.________, I have never seen anyone who’s as capable as John.
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A
As long as I have traveled
B
Now that I have traveled too much
C
Much as I have traveled
D
As I have traveled too much