单项选择题

A plastic wheel can be as tough as a metal one.

A. useful
B. tight
C. weak
D. strong
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单项选择题
It doesn’t stand to reason that he would lie.
A. seem logical
B. look pleasant
C. appear obvious
D. sound important
单项选择题
The company recommended that a new gas station be built here.
A. ordered
B. insisted
C. suggested
D. demanded
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