(2013·临沂市一模)Usually there might be a lot of accidents in the heavy fog.I happened to witness ________ this morning.
#14781
A
it
B
those
C
each
D
one
推荐题目
Is _______ Qinghai-Tibet Railway plays an important role in China’s railway history the topic that you’re coming to?
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A
it
B
that
C
what
D
this
—Who knocked at the door?—I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ____ was.
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A
he
B
that
C
she
D
it
(2012·南宁高二检测) He didn’t make _______ clear when and where the meeting would be held.
#14622
A
this
B
that
C
it
D
one
At our factory there are a few machines similar to _______ described in this magazine.
#15162
A
them
B
these
C
those
D
ones