Read and choose the best answer to complete the passage

I have had my robot for 3 years now, and it has helped me enormously with my schoolwork. I was unable (37)______ to school because I have a health condition. So the government has provided me with a small robot which I can send to school in my place. The robot transmits information to me in real time. It asks and responds to questions from teachers, can move freely around the school, and it even interacts (38) _________ my classmates. I am really happy with it and my grades have improved dramatically since I have had it.

Although it was pretty difficult to use the robot at (39)_________, I realize I am really lucky to have him. I am reading in the paper the other day that a lot of kids want robots to learn or play with, or help them with their chores. I believe a lot more people (40) _________ robots in the future.