填空题 .    Tom: Hi, Cathy.     1   
    Cathy: I have to finish my project on the history of the Internet. What about you?
    Tom:     2    If it's fine, we'll go camping. Would you like to join us?
    Cathy: I'd like to, but the deadline for my project is next Monday.
    Tom: What a pity!     3   
    Cathy: Yes, please. Can you suggest any good reference books?
    Tom: You may want to read A History of the Internet and the Digital Future.
    Cathy: I'm reading the book.     4   
    Tom: Go to the science museum website, and you'll find lots of up-to-date information.
    Cathy: Good idea. Thanks for your help.
    Tom:     5   
    A. Not at all.
    B. Any other suggestions?
    C. It depends on the weather.
    D. Anything I can do for you?
    E. What are you up to this weekend?
填空题 1. 
填空题 2. 
填空题 3. 
填空题 4. 
填空题 5.