单项选择题

______ there is little we can do to modify the wheat here, we can at least know what kind of weather to expect.

A. Since
B. When
C. While
D. Unless
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单项选择题
The truck driver was fined for exceeding the speed ______.
A. range
B. limit
C. rule
D. regulation
单项选择题
To my surprise, the majority of the students ______ in favor of his proposal.
A. is
B. are
C. be
D. was
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