赞题库-背景图
单项选择题

A．found
B．discovered
C．cheated
D．followed
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热门试题

单项选择题A．lifeB．natureC．societyD．money

A．life
B．nature
C．society
D．money

单项选择题What are the speakers doing

A． Walking down a hill.
B． Climbing stairs.
C． Discussing a trip.