:3 Составить 10 предложений в действительном залоге и 10 предложений в страдательном залоге.

A disease must not be regarded as a purely local disturbance.
The effect of physical work on the metabolic processes in our organism can be easily demonstrated.
This apparatus must be used very carefully.
The window is being opened by somebody now. (not "open")
His car has been just repaired by him.
This cottage was built by my father.
This book will be read tomorrow in the evening by them.
The electricity is used in every day life by us.
This town has not been marked on the map by us.
Ann is often asked questions.