A: Hello, Ma Tao. ?
B: We have computer science and maths this afternoon.
A: I know you like maths. ?
B: I like it too.
A: ?
B: Yes I have got one at home
A: ?
B: I do my homework on it.
A: What time do you do your homework?
B: At 6:00 pm.
A: ?
B: Yes. I talk to my friends on Saturday.
