题干
给下列问句选择相应的答句。
① What are you doing? ____ A. No，she isn't.
② What is your mum doing? ____ B. Yes I am.
③ Can I use your pen? ____ C. I'm cleaning my room.
④ Is Sarah reading a book? ____ D. She is cooking fish.
⑤ Are yoy doing homework? ____ E. Sure.
答案(点此获取答案解析）
C,D,E,A,B
