1) A: Who is singing ?
B: I am singing.
2) A: What are you writing ?
B: I am writing my homework.
3) A: Who is open the english book ?
B: Ben is open the english book.
4) A: Who is standing in the class ?
B: All the pupils are standing in the class .
5) A: Who is sitting on the chairs ?
B: All the students are sitting on the chairs.
6) A: Who aren't shut up ??
B: James and Tom aren't shut up .
7) A: Who is listening to teacher?
B: Only Rose is listening to teacher.
8) A: Who is looking at us ?
B: Lilly is looking at us.
9) A: What the teacher is talking about ?
B: I really don't care, maybe she is talking about something very boring.
10) A: Who is answering now ?
B: Rose is answering now .
