延伸与提升 补全对话。（其中有两项多余） A:English is a difficult language to learn,isn't it? B:Yes.1. 4:True,but English is harder than most of the other languages.It's a crazy language. B:2. A:Because one letter can have several pronunciations. B:3. A:Sure.Listen to the o in hot,cold,love and to. 导航页导航页 延伸与提升 补全对话。(其中有两项多余) A: English is a difficult language to learn, isn’t it? B: Yes. 1. A: True, but English is harder than most of the other languages. It’s a crazy language. B: 2. A: Because one letter can have several pronunciations. B: 3. A: Sure. Listen to the o in hot, cold, love and to