补全对话。从所给选项中选出能填入空白处的最佳答案。(其中有两项是多余的)（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.
小题1:D
小题2:G
小题3:C
小题4:F
小题5:E
题目分析：短文大意：本文主要记述两个人之间的关于学习的对话。
小题1:根据句意：你完成你的作业了吗？还没有。练习3对于我来说太难了。故选D。
小题2:根据句意：不要担心，我来帮助你。故选G。
小题3:根据句意：你能把英语字典借给我吗？我很乐意，给你！故选C。
小题4:根据句意：顺便问一下，高老师在办公室吗？故选F。
小题5:根据句意：他在哪儿？你知道吗？我有问题问他。故选E。