Вставить предлоги is и are.дать краткие ответы skiing? teacher reading a book? boys and girls making things? children writing in their exercise-books? teacher wearing a blouse? boys singing a song? girls playing games? дать краткие ответы. 1.are you writing now? 2.are you listening to music now? 3.is your mum cooking dinner now? 4.are you reading a book now? 5.is your dad washing the dishes now?