1. 情景交际

            A                                          B

⑴Is it a clock?  A. It's green.

⑵What color is this?   B. No, it isn't.

⑶What's that?   C. That's right.

⑷Is that a black pillow?   D. Yes, it is.

⑸It's B3.    E.  It's a book.