1 Factories and offices should be built in urban areas only.

2  I avoid staying up late because it's not good for my health.

3 They said they wanted to send their son to a university in the UK.

4 Students will play more active roles in the classroom.

5 She is bilingual in Vietnamese and English.

1. only/Factories/ should/ be/ built/ in/ offices/ urban areas/ and/.
`=>` Factories and offices should be built in urban areas only.

2. it's/ I/ not/ avoid/ because/ for my health/ staying up late/ good /.
`=>` I avoid staying up late because it's not good for my health.

3. in the UK/ They said/ wanted/ their son/ to a/ they/ to send/ university /.
`=>` They said they wanted to send their son to a university in the UK.

4. in the classroom/ Students/ active roles/ play/ will/ more/.
`=>` Students will play more active roles in the classroom.

5. Vietnamese/ bilingual/She/ in/ and/ English/ is/.
`=>` She is bilingual in Vietnamese and English.