Change into passive voice:

2/ Change into passive voice:
1 People don't use this road very often
2 We will grow a lot of trees in the parks
3 They are painting the living-room light blue
4 People have developed many different paper products
5 He asked us many difficult questions
6 They must widen the road soon
7 She advised me to reuse milk bottles 
8 My sister cleans the room every day
9 Waste from chemical factories has caused a lot of pollution
10 When does he usually do his homework?