pollution can be reduced if we joined hands to prevent it

Pollution can be reduced if we join hands to prevent it

If farmers made use of pesticide more wisely the oil would not be poisoned

I won't believe it unless you show me the evidence

Unless you don't tell me the truth I will help you

If James had been more outgoing he would have more friends

I think the show would be successful if he were one of the organizers (đúng)

1. Joined -> join

2. Would make -> made

3. Showed -> show

4. Don't -> bỏ

5. Would -> would

6. Đúng