选择下列句子完成下面对话,有两项多余。 A. I just wonder what will happen in the future. B. I am afraid I can't agree with you. C. Maybe I need to change my plan. D. It was not so good as l had expected. E. But I think history is interesting. F. It was more interesting than I had expected. G. He made the class lively. A: What do you think of yesterday's history class, David? B: 小题1:_________ A: Why? It is said that Mr Smith is a good teacher. B: He talked too much. A: That's why I like him. 小题2:_________ Besides, history is interesting itself. B: I'm not interested in history because all the things happened in the past. 小题3:_________ A: 小题4:_________ It tells us something about our ancients(祖先). B: 小题5:________