新概念英语课课练L29-30答案答:B:1 come in, shut 2 Put 3 open, air 4 Dust, sweep 5 make C:seven,five,eighteen,twenty-foue Lesson 30 A 2,Open th ewindows 3, Empty the cupboard 4, Sweep/Clean the kitchen floor 5, Dust the dressing table 6, Clean the bedroom carpet 7, Dust/Clean the living room ...