This is a good - book.Take a book from the table.Put this - book into the bookcase. The weather is fine today. The sky is blue. The sun is shining brightly in the blue ...sky.This is a boy. The boy is at - school.He is a pupil.This - boy is my- brother's - friend.He has a cat,but he has no - dog.He likes his(?) - cat.He gives the cat - milk every day.Yesterday I reseived a letter from my - friend. The letter was interesting.We live in a big house.I like the house very much.Are you a worker?-no,I am a student.I like your a beautiful - flower.Give me the flower,please.My - mother is at - home.She is reading an interesting - book.My father is not at - home.He is at - work.He is a doctor.He is a good - doctor.He works at a hospital. The hospital is large.