单项选择题

A．They migrate from North America to the Falkland Islands.
B．They migrate only once during their lifetime.
C．They migrate using what is apparently an inborn navigational ability.
D．They migrate when they are freed from their cages.
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单项选择题
A．Green.B．Red.C．White.D．Black.
A．Green.
B．Red.
C．White.
D．Black.
单项选择题
A．They want to go downtown.B．He wants to go to the park, but she doesn’’t.C．He doesn’’t know where to park the car.D．He wants to find out where the park is.
A．They want to go downtown.
B．He wants to go to the park, but she doesn’’t.
C．He doesn’’t know where to park the car.
D．He wants to find out where the park is.
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