新概念英语第一册课后练习题及答案：49-50A Complete these sentences using an not, aren”t, isn”t, can”t, don”t or doesn”t.完成以下句子，用am not, aren”t, isn”t, can”t, don”t或doesn”t填空1 He likes coffee, but I______.2 She likes tea, but he ______.3 He is eating some bread, but she ______.4 She can type very well, but he ______.5 They are working hard, but we ______.6 He is reading a magazine, but I______.B Answer these questions using I, he or she.仿照例句答复以下问题，选用I, he或she。
Examples：Does Penny like tomatoes?Yes, she does.She likes tomatoes, but she doesn”t want any.Do you like potatoes?Yes, I do.I like potatoes, but I don”t want any.1 Does Sam like cabbage?2 Does Sam like lettuce?3 Do you like peas?4 Does Mrs. White like beaus?5 Do you like bananas?6 Does Mr. Jones like oranges?7 Does George like apples?8 Does Elizabeth like pears?9 Do you like grapes?10 Does Carol like peaches? 答案： Lesson 50 A1 He likes coffee, but I don”t.2 She likes tea, but he doesn”t.3 He is eating some bread, but she isn”t.4 She can type very well, but he can”t.5 They are working hard, but we aren”t.6 He is reading a magazine, but I am not.B1 Does Sam like cabbage?Yes, he does. He likes cabbage, but he doesn”t want any.2 Does Sam like lettuce?Yes, he does. He likes lettuce, but he doesn”t want any.3 Do you like peas?Yes, I do. I like peas, but I don”t want any.4 Does Mrs. White like beans?Yes, she does. She likes beans, but she doesn”t want any.5 Do you like bananas?Yes, I do. I like bananas, but I don”t want any.6 Does Mr. Jones like oranges?Yes, he does. He likes oranges, but he doesn”t want any.7 Does George like apples?Yes, he does. He likes apples, but he doesn”t want any.8 Does Elizabeth like pears?Yes, she does. She likes pears, but she doesn”t want any.9 Do you like grapes?Yes, I do. I like grapes, but I don”t want any.10 Does Carol like peaches?Yes, she does. She likes peaches, but she doesn”t want any. 。