Chuyển những câu sau sang bị động

1.My sister often washes my clothes

2.Nobody will use this machine in the future

3.Do people use milk for making butter and  cheese?

4.They hold the Olympic Games every 4 years

Change the following sentenses into the passive voice

1.Mozza wrote more than 600 pieces of music

2.They performed Christmas songs for people in town

3.Santa Claus gave children presents on Christmas Eve

4.My father decorated the Christmas tree with colored lights

5.Miss Thanh taught me to draw  the Christmas cards

6.Ba invited Liz to the rice-cooking festival

7.They held the festival in the communal house yard

8.The council leader awarded the first prize to the Mekong team

9.Minh did these exercises carefully

10.I got his letter this morning