当向蓝色的CuSO4溶液中逐滴加入氨水时，观察到首先生成蓝色沉淀，而后沉淀又逐渐

补全对话。从方框中选出适当的句子补全对话。（10分）
A: May I help you?
B: Yes, please. I’d like to borrow a book.
A:        小题1:           
B: Jane Eyre.
A: Wait a minute.           小题2:        . Sorry, it has been borrowed.
B:          小题3:           . What about Romeo and Juliet?
A: Yes.          小题4:        .
B: Thank you.        小题5:           .
A: Two weeks. You must finish reading it and return it on time.
B: I see. Thank you. Goodbye.
A: Goodbye.

A.What a pity! B.What’s the name of the book? C.Here it is. D.Let me find it on the computer for you. E.How long can I keep it?