单项选择题

We find that some birds ______twice a year between hot and cold countries.

A．transfer
B．migrate
C．commute
D．mobilize
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单项选择题
Lover of towns ______ I am, I realize that I owe a debt to my early country life.
A．because
B．where
C．who
D．as
单项选择题
Please do not be ______ by his bad manners since he is merely trying to attract attention.
A．disregarded
B．distorted
C．irritated
D．intervened
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