会英语的来（小5）Lily:Hello!May I speak to Bob?Bob:Hello!This is Bob

会英语的来（小5）
Lily:Hello!May I speak to Bob?
Bob:Hello!This is Bob ______.
Lily:______Lily here? Are you _______ now?
Bob:Yes. What's the matter?
Lily:I'm ______ for something. But I have some questions. I am writing an E-mail to you ______ the Internet.
第几个说清楚