单项选择题

A．Practical work.
B．Collective activities.
C．Teacher’s encouragement.
D．Book knowledge.
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单项选择题
A．A lawyer.B．A doctor.C．A clerk.D．A policeman.
A．A lawyer.
B．A doctor.
C．A clerk.
D．A policeman.
单项选择题
A．In a cave.B．In a river.C．In a tree.D．In a boat.
A．In a cave.
B．In a river.
C．In a tree.
D．In a boat.
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