单项选择题

Wash your hands ______ you eat something.

A． as
B． before
C． when
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单项选择题
She enjoys her stay in England because she has ______ friends there.
A． only a few
B． quite much
C． quite a few
单项选择题
______ police caught ______ thief in the shop.
A． A; a
B． A; the
C． The; a
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