Change into passive voice( đổi sang trực tiếp , gián tiếp , xác định thì của câu đó là gì ?) 7. The football club has just sent you a member card. ........................................................................................................................................................................... ........................................................................................................................................................................... 8. The professor sends his students a lot of homework every week. ........................................................................................................................................................................... ........................................................................................................................................................................... 9. They have their accountant estimate the cost of running office every week. ........................................................................................................................................................................... 10. The waiter is bringing us the dishes. ........................................................................................................................................................................... ........................................................................................................................................................................... 11. Our friends send these postcards to us. ........................................................................................................................................................................... ........................................................................................................................................................................... 12. The manager will have his secretary prepare the report. ...........................................................................................................................................................................