ExercisesContentsDownloadsUNIT 9: HOUSES 房屋Question 1 / 21请完成全部题目,最后查看答案与解析VOCABULARY · B1 Exercise 1 · Exercise 1Choose the correct option for each gap.To save on heating bills and reduce noise, we decided to _____ the attic and the external walls.AfixBrefurbishCinsulateDdecorate保存并进入下一题 →