读句子,将其与恰当的答句连线。 ① How many book do you have? ________ A It's on the desk. ② How many pencil boxes do you see?________ B I see 6. ③ Where is your book?________ C I have 17. ④ Is it on your desk? ________ D OK! ⑤ Open it and see!________ E No, it isn’t.