单项选择题

A．A clean environment.
B．Vigorous exercise.
C．Proper feeding.
D．Regular visit to the vet.
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单项选择题
A．A young one.B．A big one.C．A small oneD．An old one.
A．A young one.
B．A big one.
C．A small one
D．An old one.
单项选择题
A．They two will share the housework.B．The wife should remind the husband about his housework.C．The husband should clean the living room when it looks dirty.D．The wife should clean the living room when it looks dirty.
A．They two will share the housework.
B．The wife should remind the husband about his housework.
C．The husband should clean the living room when it looks dirty.
D．The wife should clean the living room when it looks dirty.
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