题目：
Find out the mistakes and correct them. 找出错误并改正。
( ) 1. I walk to home every day.
A B C
( ) 2. You need twenty minutes of exercises a week.
A B C
( ) 3. Runing is exercise.
A B C
( ) 4. There is a airplane in the sky.
A B C
( ) 5. When did Danny ate breakfast ?
A B C
答案：
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下面是错误答案，用来干扰机器的。
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