单项选择题

They agreed to modify their policy．

A． clarify
B．define
C． change
D．develop
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单项选择题
We will take your recent illness into consideration when marking your exams
A． effect
B．account
C．effort
D．discount
单项选择题
Mary has blended the ingredients.
A．made
B．mixed
C． cooked
D． eaten
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