单项选择题

The project to clear up the polluted river _______by the end of next year.

A．will have been completed
B．will have completed
C．is being completed
D．has been completed
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The numbers of students of each class range_________10 to 20.
A．with
B．from
C．up
D．about
单项选择题
Everybody including the White Brothers _________to have a holiday there.
A．wants
B．want
C．will want
D．do want
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