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The threats to the health of astronauts in space are very different from ______ on earth.
#15579
A
ones
B
that
C
it
D
those
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One of the most important problems they had to consider was________of public health.
#14614
A
what
B
this
C
that
D
which
What __________ things do you want to buy?
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A
else
B
other
C
others
D
another
---Would you like _________to drink?---Yes, please．
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A
something cold
B
cold something
C
cold anything
D
anything cold
The primate brain is larger than　　of other animals.
#16425
A
those
B
what
C
this
D
that
 He didn’t make ____ clear when and where the meeting would be held.
#15463
A
this
B
that
C
it
D
these