单项选择题

21（）

A．by
B．in
C．for
D．with

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单项选择题
22（）

A．number
B．amount
C．money
D．sales
单项选择题
The man was very surprised because ______.
A．he thought the child's father was dead
B．the child didn't ask him to sit down
C．the child gave him a cup of tea
D．he couldn't find that piece of paper
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