改错。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.
_________________________________________l. 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.