单项选择题

A．He once had a job in a zoo.
B．They’re familiar examples of endangered species.
C．He’s interested in the genetics of mammals.
D．They also become attached to humans.
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单项选择题
A．It must be the right height.B．It must have several gears.C．It must have good tires.D．It must be the right weight.
A．It must be the right height.
B．It must have several gears.
C．It must have good tires.
D．It must be the right weight.
单项选择题
A．He could bring something to the woman.B．He’d be happy to go with the woman.C．He wants the woman to get him a newspaper.D．He’d like something to eat.
A．He could bring something to the woman.
B．He’d be happy to go with the woman.
C．He wants the woman to get him a newspaper.
D．He’d like something to eat.
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