Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each numbered blank.    
My future house will be on the (19)_________ It will be surrounded by tall trees and blue sea. There will be a swimming pool in front and a large flower garden behind the house. There will be a helicopter on the roof so that I can (20)_________ to school.
My future house will have (21)_________ energy. There will be some robots in the house. They will help me do the (22)_________ such as: (23)_________ the floor, watering the flowers, cooking, and feeding my dogs.
I love my future house so much.
Question 19. A. sky             B. cave        C. ocean        D. forest
Question 20. A. fly                   B. go                   C. swim        D. dance
Question 21. A. sun            B. moon        C. solar        D. lunar
Question 22. A. homework        B. housework    C. yoga        D. exercises
Question 23. A. planting        B. playing        C. listening        D. cleaning