例：
in the morning
—Does she do morning exercises in the morning?
—Yes, she does.
1．
every morning
—
___________________________________________________________—
___________________________________________________________2．
in the evening
—
___________________________________________________________—
___________________________________________________________3．
every Sunday
—
___________________________________________________________—
___________________________________________________________4．
on Sundays
—
___________________________________________________________—
___________________________________________________________ 
in the morning
every morning 
in the evening 
every Sunday 
on Sundays
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