改错。每句话都有一处错误，改正过来并把正确的句子写在横线上。1. How many line make a triangle?
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2. Mr. Wood teach us English.
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3. There is five pencils in my pencil-box.
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4. It's a umbrella.
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5. Time to school.
___________________________________________________________1. How many lines make a triangle?
2. Mr. Wood teaches us English.
3. There are five pencils in my pencil-box.
4. It's an umbrella.
5. Time for school.