Open/Close your ... — 英语情景题

课堂情景：上课了，Ms Li 发出指令，Tom 和 Lily 应答。请选择合适的句子填入空位（每句限用一次）。 A. Close your pencil box. B. Open your book. C. Close your bag. Ms Li: Good morning, class! Time for English. (1)________ Tom: OK, Ms Li. Now I can read it. Ms Li: Tom, your pencil box is open. (2)________ Tom: All right. I will close it. Ms Li: Lily, your schoolbag is open too. (3)________ Lily: Yes, Ms Li. I close my bag now.