Ola necesito que me ayuden con 15 oraciones en voz pasiva de inglesmuchas gracias?

 All flights were cancelled

because of the snow.

 The interview will be held at

the CEO’s office

 We were not told about these

disadvantages.

 The cake was prepared following

the original recipe.

 Penicillin was discovered by

Alexander Fleming.

 The house was completely

renovated last century.

 Romeo and Julietwas

written by William Shakespeare.

 My mother was born in

Madagascar.

 All those oaks were planted in

1960

 The sweater was found inside the

old suitcase.

 Very few speakers were announced

that evening.

 A new biosensor was constructed.

 Was your motorcycle stolen

again?

 There are things that can’t be

explained.

 They expected to be received by the Prime

Minister.