单项选择题

It has been shown that many people find ______ very uncomfortable to hold the same position for any length of time.

A. that
B. which
C. it
D. what
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单项选择题
Her parents gave her several small peaches instead of big ______.
A. one
B. ones
C. those
D. that
单项选择题
I regard ______ this job on time.
A. as it is important to finish
B. important to finish
C. it as important to finish
D. as it important to finish
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