单项选择题

A．
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单项选择题
HELP US TO HELP YOU means ______.
A．sometimes your help is not necessary
B．you can make it easier for us to help
C．usually we cannot help you
单项选择题
How many building places does the Building Service look at each month to see if things are going on well
A．700.
B．900.
C．We don't know.
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