无
*注意事项：
bed chair desk schoolbag
①Is this your bed? a. Hi, Joe.
②Are these your pens? b. No, it isn't.
③Your book is nice. c. Thank you.
④Hi, Peter. d. Six yuan, please.
⑤How much are they? e. Yes, they are.
读一读，连线。
① - This is my ruler. - It's nice! a.
② - Is this your pencil? - Yes, it is. b.
③ - Are these your books? - Yes, they are. c.
A. these B. pencils C. this D. aren't E. Yes
— , it is.
— No, they .
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