单项选择题

______ that they may eventually reduce the amount of labor needed on construction sites by 90 percent.

A. So clever are the construction robots
B. Such construction robots are clever
C. So clever the construction robots are
D. Such clever construction robots are
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单项选择题
No fault is attached ______ the bus driver for the terrible accident at the railway crossing.
A. for
B. to
C. with
D. in
单项选择题
The observer’s statement about the accident was very ______, and we know almost everything about it now.
A. specific
B. especial
C. exceptional
D. special
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