单项选择题

You should ______ the official channels to get help instead of through private relationship.

A．go after
B．go through
C．go for
D．go out
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单项选择题
Illness ______ him till his death but he never gave up his goal in his life.
A．persisted
B．pursued
C．traced
D．tolerated
单项选择题
We ______ the shops and the post office as soon as we moved into the town.
A．located
B．assigned
C．delivered
D．placed
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