Put these sentences into the passive voice

1) Should they help Jane with the sewing?

=>Should Jane be helped with the sewing?

2) The mechanic is repairing Judy's car.

=>Judy's car is being repaired by the mechanic.

3) We must do something before it's too late.

=>Something must be done before it's too late.

4)They make these artificial flowers of silk.

=>These artificial flowers of silk are made by them

5) Did they feed Lulu last night?

=>Was Lulu fed last night?

6) They ate all the food before we got to the party.

=>All the food was eaten before we got to the party.

7) He has spelt this word wrongly.

=>This word has been spel wrongly