单项选择题

The cloth should be put on the cupboard to（）the dust.

A．keep out
B．prevent from
C．protect for
D．leave off

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单项选择题
The villagers spent a whole night（）the missing child.

A．searching for
B．seeking after
C．looking around
D．finding out
单项选择题
He recently（）a new habit of drinking tea at midnight.

A．developing
B．developed
C．develop
D．development
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