I've chosen the best answer for each blank based on the context of the dialogue:
* A. who (This is the most natural way to ask about someone's well-being in English.)
* A. at (This indicates the location of the new computer lab.)
* A. for (This expresses a benefit for the school.)
* A. computer (This is the main topic of conversation.)
* A. technology (The computer is considered a technological advancement.)
* A. using (This is the correct verb tense for the situation.)
* A. important (The conversation is about the significance of computers in student life.)
* A. of (This indicates quantity related to books.)
* A. access (This means to be able to reach and use something.)
* A. interesting (This expresses how Mike feels about the information.)
Here's the corrected dialogue:
Mike: Hi Peter, how are you?
Peter: I am fine, Mike. What about you?
Mike: I am good. So have you seen the new computer lab at our school?
Peter: Yes, I have seen it yesterday. This is very good for our school.
Mike: Can you tell me why?
Peter: The computer is the best invention of science and it has brought a huge revolution in technology. Now in every sector, they are using a computer.
Mike: Is that important in student life?
Peter: Yes, of course. You can keep thousands of books saved on your computer and can read them anytime, anywhere. You can also access lots of video lessons from any internet-connected computer. On Youtube, there are thousands of videos related to maths, English, and science. We can learn our lessons from there.
Mike: Wow, it seems so interesting. Good to know. What else can a computer do?
Peter: It can do so many things. It could be a way of entertainment and even can be the medium of business and education.
Mike: Great! Thank you so much.
Peter: It's my pleasure. Take care, see you.