单项选择题

() before you leave the lab.

A．Make sure that the windows are shut
B．To make sure that the windows are shut
C．Making sure to shut the windows
D．To be sure to shut the windows

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单项选择题
The villager told them that his village was () that of theirs.

A．three times larger than
B．as large as three times
C．three times as larger as
D．three times size of
单项选择题
Some old pots () clay were found lying () to the dead body.

A．made from; closely
B．made of; close
C．made by; closely
D．made up of; close
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