нужно поставить в passive voice​

1) If the plane had left on time, they …would have been (be) in Minsk now. 
2) If they hadn’t walked 40 km, they …would not have been (not / be) exhausted now. 
3) What would have become of us, if I …would have come (come) to you then!' 
4) He would have been scrupulous — if he (can) had been able to… ! 
5) What will be the answer if you (add) …add 17 to 75?
6) If he …practices (practice) every day, he …will become (become) a champion. 
7) She …will help (help) us if we …ask (ask). 
8) If you …had (have) a driving license, you …would get (get) this job.
9) My dog …would (be) 20 years old today if it …were (be) alive. 
10) I … would have visited (visit) Sarah yesterday if I …had known (know) that she was ill.