about
- There are about more than five ___________ “left-behind” students (留守学生) in China.
- Our planet is about ______ years old.
- About 56 ____ people live in this country.
- About _____________ of the students this year were born in the 1990s.
- The bridge is about ___meters long.
- About____________of the books in the library are written in Chinese.
- About ______ of the books in our school library are written in Chinese.
- About _______ of the books in our school library are written in Chinese.
- There are about teachers in our school.
- There are about ______ people in this town.