Câu trả lời:

Keep silent! The teacher is comingPlease be quiet! I am doing my homework.What are you doing at the moment?Is it snowing at the moment?Listen! John and Sue are playing the piano in our class.We are waiting for a bus now.They are not jogging in the park right now.Listen! Someone is knocking at the door.It’s a beautiful day. The sun is shiningHe is not lying on the sofa in the living room at present.Is Ha reading a letter now?Who are you talking to?My parents are not watching TV at the moment.Are they going to the botanical garden now?He is doing his homework at present.Phong and Mai are playing badminton in the school yard.We are not talking about the exam result.Is she staying at home alone now?Mrs. Loan is not preparing breakfast at the moment.Are you preparing for tomorrow's trip?I am sending an email to my aunt in the US.The teacher is writing the math equation on the boardHoàng is sitting next to Mai on the bench.My friends are playing badminton in the park.He is doing his homework at the moment!Look! Lan is listening to music.You aren't going to school at the moment.What is Phat doing now?Your parents are working at home right now.The baby is sleeping in the bedroom at present.