从Ⅱ栏中找出与Ⅰ栏相对应的答句。

Ⅰ                                   Ⅱ

⑴What colour is the window?  A. Thank you.

⑵Sit down, please.         B. It's a robot.

⑶What's this?             C. Good morning.

⑷Good morning.             D. OK, Miss Li.

⑸Don't open the book.       E. It's yellow.