1. They/ old/ are/ enough/ to/ go/ to school.
=> They are old enough to go to school
Cấu trúc : S + be + adj + enough (for smb) + to V
2 We/ by/ collecting/ funds/ raise/ paper/ and/ waste/ broken/ glasses
=> We raise funds by collecting waste paper and broken glasses
Dịch : Chúng tôi gây quỹ bằng cách thu gom giấy rác và mảnh thủy tinh vỡ.