单项选择题

With prices ______ so much, it is difficult for the school to plan a budget.

A. vibrating
B. fluctuating
C. fluttering
D. swinging
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This is an ideal site for a university ______ it is far from the downtown are
a.A. provided thatB. now thatC. so thatD. in that
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—We haven't heard from Jane for a long time. —What do you suppose ______ to her
A. was happening
B. has happened
C. to happen
D. having happened
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