1.Our house are bering painted at the moment.

2.Are clean towels provided by the hotels?

3.Was sickman taken to hospital by an ambulance?

4.Umbrella and sticks must be left in the clock room by visitors.

5.These artificial flowers of silk are made by them.

6.Such items should be packed carefully in tea chets.

7.Have the letters been posted by someone?

8.These engineers used to be started by hand.

9.Spanish is spoken differently in spain and colombia.

10.You will be asked several question by the police.

11.Why was not the roof mended before in fell in by them?

12.All the milk have been drunk in the fridge by my little brother.

II

1.C-> had sold 

2.C->was celebrated

3.A->was presented

4.B->built

5.B->are taught