Какая форма в Скобках . Mary and I good friends.I (know ) (she)for about ten (year).How many (child)are there inyour

1) Mary and I are good friends. I have known her for about ten years. 2) How many children are there in your family? — There are four of us. 3) My friend watches TV every day now. He is fond of many programmes which are shown on television. 4) Yesterday he tried hard and made fewer mistakes than last week.