Change the active into the passive

1 . nobody has ever treated me with such kindness .

=>.....I have never been treated with such kindness. ......

2. who stole the money ?

=>....By whom was the money stolen?.....

3. why didn't they tell me about it before ?

=>.....Why wasn't I told about it before?.......

4. has someone read my letter?

=>.....Has my letter been read?.......

5. have you answeresd your boss's question?

=>.....Has your boss's question been answered?......

6. the weather has turned all the leaves yellow.

=>......All the leaves yelllow have been turned by the weather. ..........

7. someone put these flowers into vase last night

=>.....These flowers were put into vase last night........

8. they often put this question to me but i never answer it.

=>....This question is often put to me but I never answer it.........

9. we can't make tea with cold tea .

=>.......Tea can't be made with cold tea...........

10. did they build the garage at the same time as the house?

=>........Was the garage built at the same time as the house?...........