Составьте предложения герундия, используя фразы:
To be responsible for
To specialize in
To deal with
Добавив слова design, develop, construct, create

John is responsible for designing a new Comfort City Project.

He doesn't specialise in creating new methods of treatment the diseases caused by bacteria.

I'd like to deal with developing of new vitamins.

This designer is responsible for creating good atmosphere in my parents' house.