单项选择题

Though people plant many trees in this area every year, the top of some hills is still ______.

A．open
B．empty
C．bare
D．blank
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单项选择题
The flowers will soon open on condition that they are ______ into a warm room.
A．brought
B．shifted
C．pushed
D．waved
单项选择题
I want to know whether the weather will change ______ bit tomorrow.
A．a little
B．some
C．little
D．a few
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