1. We can't use water in this well because the weter isn't clean.

2. It's quiet and peaceful in the country so many people like to live in.

3. Using public transport is a good way to reduce air pollution.

4. We'll have to go without John if he doesn't come.

5. Unless you study hard, you won't pass the final exam.

$Answered_{}$ $by_{}$ $thieukhue_{}$

1. ..............it is polluted.

2. ..............love living here.

3. ..............won't pass the exam.

4. Our environment is facing air pollution................this problem.

5. ...............come.