Ответы и объяснения

1.This is a book        2.I have a sister      3.Give me a chair,please 4.They have a dog          5.His father is a doctor. 6.A boy came into the room.    7.There is a map on the wall.      8.I have a pencil      9.A dog is a domestic animal.       10.A dog is a domestic animal.            11.The car is green    12.The sun is in the sky.        13.The teacher is in the classroom.          14.We are on the fourth floor.         15.I’m taking a trip to the mountains next week.         16.The student is very clever.        17.The girl in red is my friend.         18. The sandwich that I ate for breakfast  19.I must go to the bank.          20.I took a taxi to the station.