( )--- Are the keys in your hand? ---Yes, .
当小朋友迟到了,老师会说: A.Good morning. B. Come in, please. C. Goodbye.
当你想知道这块橡皮是不是自己的,可以问: A.Is this my rubber? B. Is this your rubber? C. This is my rubber.
那不是我的笔袋,应该说: A. This isn’t my pencil case. B. That’s isn’t my pencil case. C. That isn’t my pencil case.
那是一个书包吗?不,它不是。应该说: A. Is that a schoolbag?No, it isn’t. B. Is this a schoolbag? No, it isn’t. C. Is that a schoolbag? Yes, it is.
当询问面前的牛奶是不是对方的,可以说: A. This is your milk. B. Is this your milk? C. Is that your milk?