单项选择题

Stamps ______ for sending letters.

A． are used
B． is used
C． used
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单项选择题
It ______ me about forty minutes to do my homework every day.
A． spends
B． takes
C． uses
单项选择题
Can I ______ your dictionary for a minute I left mine at home.
A． borrow
B． lend
C． keep
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