[quote=shimoo_elawady;2858783]
كنت أريد أن أعرض
هذه الأسئلة التى كانت فى كتاب senior وقد أجبت عليها لكن كنت أريد أن أتأكد من إجاباتى
1Find the mistake
1. If you .don't wear a coat in the winter, you get sick
2. If you mix water with oil, the oil floats
3. If water isboiled, it turns to steam.
4. If you cross an international date line, the time changes
5. Phosphorus burns if you expose it to air.
6. If the sea is stormy, the wavesare high.
7. I get a headache if I spend too long on the computer.
8. Butter melts if you leave it in the sun.
9. If he finds a good job, he willpay all his debts.
10. If the bus 
is late, we will walk to school.
11. If the mobile costs too much, I won'tbuy it.
12. We will eat out if there is no food at home.