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Our monitor is always fulfilling his tasks at an amazing speed,        beyond our reach.
#14757
A
it
B
this
C
one
D
the one
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推荐题目
The threats to the health of astronauts in space are very different from ______ on earth.
#15579
A
ones
B
that
C
it
D
those
We have been looking at houses, but haven’t found _____ we  like yet.                                                                                                     
#15069
A
ones
B
one
C
them
D
it
Someone is ringing the doorbell．Go and see ________
#14966
A
who is he
B
who he is
C
who is it
D
who it is
—How does Jane like her new job? —Boring. She’d like to find       one. She doesn’t want to work here any longer.
#57120
A
other
B
another
C
either
D
neither
The top detective asked the witness if he had seen _______ at about 10 p.m.____.
#57324
A
something unusual , last night
B
unusual something , the night before
C
anything unusual, last night
D
anything unusual , the night before