单项选择题

A．children
B．they
C．five-year-olds
D．six-year-olds
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单项选择题
A．followingB．precedingC．afterD．past
A．following
B．preceding
C．after
D．past
单项选择题
A．arrangedB．oldC．willingD．ready
A．arranged
B．old
C．willing
D．ready
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