Lesson 7 Exercises 5.Put your hat and coat on. 6.不能调换 7.Help me to lift this table up. 8.Take your shoes off and put your slippers on. 9.不能调换 10.不能调换 11.They have pulled the old building down. 12.Make your mind up. 13不能调换 14.She threw all those old newspapers away. Lesson 8 1.不填 2.for 3.for 4.不填 5.for OK?希望能帮到你啊!