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2627282930BCACC3132333435DDDCB36、Taking regular walks helps older people pay attention better than if they didn't exercise.37、Mice are tested in previous research.
38、41 adults were tested.
39、Going for a walk every 2 or 3 days for just 10 to 45 minutes can be good news for grandparents.
40、Yes,it can.
41、country
42、stayed
43、meeting
44、nobody
45、hungry
46、remembered
47、think
48、order
49、nothing
50、around
One possible version:
My classmate,Maggie,hardly ever does housework.She does her homework three hours every day.Once a month she goes camping in the country.She hardly watches TV.But she uses the Internet once a week.Every day she does some reading.She often does sports.She exercises five times a week and goes to the movies once a month.
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