单项选择题

A．Animals lived in cages made of concrete with iron bars.
B．Animals lived in natural environments.
C．Streams of water flew through the cages.
D．Several species of animals lived together.
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单项选择题
A．A bank teller and a patron.B．An accounts manager and a customer.C．A sales clerk and a shopper.D．A stock broker and a client.
A．A bank teller and a patron.
B．An accounts manager and a customer.
C．A sales clerk and a shopper.
D．A stock broker and a client.
单项选择题
A．She has bought a new one.B．She has none at present.C．She has only an old one.D．Her sister has given her one.
A．She has bought a new one.
B．She has none at present.
C．She has only an old one.
D．Her sister has given her one.
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