Its a old, old story.

错误：Its a

正确：It's an old, old story.

There are two pair of skates.

错误：two pair

正确：two pairs of skates.

Danny walk to school every day.

错误：walk

正确：walks

These are my boot.

错误：boot

正确：boots

How many line make a triangle

错误：line

正确：lines

Mr. Wood teach us English.

错误：teach

正确：teaches

There is five pencils in my pencil -box.

错误：five pencils

正确：five pencil

Its a umbrella.

错误：a

正确：an

Time to school.

错误：Time

正确：It's time to go to school.

I have three new teacher.

错误：teacher

正确：teachers

Who does your teacher？

错误：does

正确：doesn't

He like his Chinese teacher very much. Do you like yours？

错误：like

正确：likes

My schoolbag is new. How about your？

正确

There are much people in the street.

错误：much

正确：many

Don't laugh at I.

错误：at

正确：at me

希望这些改错题对你有所帮助!如果有更多需求，请随时告诉我。