cutting 切割shouting喊叫working 工作talking谈话thinking想exercising锻炼practicing练习coloring 涂颜色,Is he thinking?A: Yes, he is . B: No, he is . C: Yes, he isnt.2. _ she dancing?A: Are B: Is C: Do3. _ they shouting?A: Are B: Is C: Do4. Are you coloring?No, _.A: I am B: I am not C: I are.5. Is he talking?No, he _.A: is. B: is not C: are,Are you_?（睡觉）No, I am not. Im_.（想）2. Whats she doing?Shes _.（涂颜色）3. Is she_?(练习)No, she isnt. Shes_.(锻炼)4. Is he _?(工作)Yes, he is.5. Are they_?(谈话)No, they arent,1.Are you?你正在做吗？ 肯定回答：Yes, I am. 否定回答：No, I am not. Im 2.Is he? 他正在做吗? 肯定回答：Yes, he is. 否定回答： No, he is not. Hes,现在进行时的一般疑问句,3.Is she? 她正在做吗?肯定回答：Yes, she is.否定回答： No, she is not. Shes4. Are they他们正在做吗？肯定回答：Yes, they are.否定回答： No, they are not. Theyre,makemakingmaking the bed,dust dustningdusting the furniture,foldfoldingfolding the clothes