Làm giúp mình cần gấp ạ cảm ơn

1. If you don't work hard, you'll fail the exam

2. If you don't work harder, you won't get high salary

3. If you are calm, everything will be alright

4. If you travel a lot, you will know more about my beautiful country

5. If the women help us, we will make it easily

6. If you work hard, you will be successful 

7. Unless he tells the truth, no one can help him

8. If it doesn't stop raining, we won't go out