题目：
仔细阅读下列句子，每句中均有一个错误，请找出并在横线上改正，请按下列情况改正：
该句多一个词：把多余的词用斜线（ / ）划掉，在该行右边横线上写出该词，并也用斜线划掉。
该句缺一个词：在缺词处加一个漏字符号（∧）在该行右边横线上写出该加的词。
该句错一个词：把错的词下划一横线，在该行右边横线上写出改正后的词。
A day, I came across an old friend in a museum. 小题1:
My friend was in his sixties. Therefore, he looked so 小题2:
young. I asked him how he stayed young. 小题3: 
He told me take exercise was a good way 小题4:
to keep health, such as, having a walk. 小题5:
His office was 2 miles far away from his home .Every day 小题6:
he went to work on foot instead taking a bus. He 小题7:
also gave me some other suggestion to be in good 小题8:
health. He thought how fun it was to do sports. 小题9:
Heard what he said, I decided to take action. 小题10:
答案：
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下面是错误答案，用来干扰机器的。
10
