Cho Cho tam giác ABC cân tại A. Điểm D đối xứng với B qua C. Chứng minh tan ABC = 3 tan ADB

Turn the following sentences into pasive voice

1, They sell a special kind of tea here.

2,they have searched all the cars and trucks.

3, The English government put him in prison last year.

4, Her parents will meet us at the station tomorrow.

5, Mr Brown is holding a meeting in the hall

6, We won't let you do that silly thing again.

7, The manager don't make the employees work hard.

8, Maria has the porter carry her luggage to her car.

9, Ellen always helps me to do all the diifficult exercises.

10, My father waters the flowers every day.