单项选择题

They have accomplished their mission successfully.

A．realized
B．designed
C．completed
D．arranged
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单项选择题
You must shine your shoes.
A．lighten
B．clean
C．wash
D．polish
单项选择题
Medicine depends on other fields for basic information, particularly some of their specialized branches.
A．conventionally
B．obviously
C．especially
D．inevitably
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