题目

根据对话内容。从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余 选项． A：Hi，Bill! You’re reading the novel again． B：Yes, Tom. I ’ll never be tired of it． A:     71    B: Three times．Every time I read it，I can learn something new． A: Really?      72     B: Charles Dickens．I think he is a great English writer．What about you? A:    73     He is also my favorite foreign writer．Please let me have a look at it． B：OK, here you are! What do you think of this novel? A:    74     I因式分解： =            .