单项选择题


A．work
B．housework
C．duty
D．business
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单项选择题
A．to go withB．to come withC．to do withD．to be done with
A．to go with
B．to come with
C．to do with
D．to be done with
单项选择题
A．soB．howeverC．butD．or
A．so
B．however
C．but
D．or
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