7. There are outbreaks of cholera because people drink untreated water. ( Rewrite, using “because of”)
=> because of drinking untreated water ( nước chưa qua xử lí), there are outbreak( sự bùng phát ) of cholera ( dịch tả)
8. There was acid rain in this area. The trees were damaged. (Rewrite, using “caused”)
- the acid rain in this area caused damage to the trees
9. There was acid rain in this area. The trees were damaged. (Rewrite, using “made”)
=> the acid rain in this area made the trees damage
10. People get sick so often because they don’t exercises regularly.
( Rewrite, using “If”)
- If people did exercise regulary, they wouldn’t get sick so often.