单项选择题

How many kinds of insects are helpful to people

A． I don't think the story tells us.
B． All kinds.
C． You can count yourself.
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单项选择题
Mr. Payne ______.
[A] was working in a small town
B. was living in a desert town
C. was spending his holiday in a small town
单项选择题
He wanted the carpet, because it was ______.
A． very cheap
B． expensive
C． beautiful
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