从方框中选出适当的句子完成对话。 Tom: Hi! Alice, you look so sad. 1 Alice: I failed the English exam. Tom: 2 But you don't need to worry about it all the time. Alice: I really don't know how to study English well. 3 Tom:l think you'd better study with a group. Alice : Oh , that's a good idea. 4 Tom : Certainly. And we can learn from each other. Alice : Sounds good. When can I join you? Tom: 5 Alice: That's very kind of you. 1._____ 2._____ 3._____ 4._____ 5._____