补全对话。从所给选项中选出能填入空白处的最佳答案。(其中有两多余的)（5分） A、 Would you like to come? B、 What time will it begin? C、Here you are. D、Have you finished your homework? E、Where is she? F、By the way. G、I’ll help you. A: 小题1: _________________________? B: Not yet. Exercise 3 is too difficult for me. A: Don’t worry. 小题2: _______________________. B: It’s very kind of you. But I think I can do it myself. Can you lend me your English-Chinese dictionary? A: With pleasure. 小题3: . ______________________.. B: Thanks. 小题4: . ________________, is Miss Gao at the teachers’ office? A: Oh, no. She’s out at the moment. B: 小题5: ._______________________? Do you know? I have some questions to ask her. A: I think she is at the library. She told me she wanted to borrow some books. B: I have to wait for her.