Mom: Oh! It's on the sofa.

Jack: Thank you, Mom. Err...where's the ?

　　Mom: I think it's your grandparents' room.

　　Jack: Yes, it's on their bed! And my ?

　　Mom: It's your head!

　　Jack: Oh, yeah! Haha!

【总结部分】1. Come on, Jack. 。come on = come是 词，意为

构成短语：过来 进来

　翻译：我能进来吗？

2. I think it's in your grandparents' room. .

1)think用作动词，意为 。

2)I think.... 意为 ，其后可以接句子作其 。

例如：我认为你的书包在你的课桌里。

I think引导的句子变否定句时，是在think前加don't。

把上个例句变成否定句：

。

【练评部分】

I .补全对话：(10分)

A: Excuse , mum. __________ my baseball glove (手套)?

B: Sorry, I don't________. Is______ on your desk?

A: No, it isn't.

B: Is it in your_____________?

A: No, it isn't in ________ schoolbag.

B: Is it _______your bed?

A: ______, it is. It's under my pillow (枕头). , mum.

A: You're welcome.

II.单项选择：（7分）

( ) 1.--_________my books?--They are under the sofa.

A. What are B. Where are C. What color are D. Where is

( ) 2.-Is the pencil case on the floor?-Yes,_________.

A. it isn't B. it is C. they are D. they aren't

( ) 3.---Are the books in the bookcase?-No,_________.

A. it isn't B. it is C. they aren't D. they don't

( ) 4.-Where is the baseball?-Sorry,__________.

A. it's in the backpack. B. it's on the table. C. Here you are. D.I don't know.

( ) 5.I have some _________ in my schoolbag.

A. book B. pencil C. eraser D. pens

( ) 6.I________his name.

A. not know B. know not C. don't know D. am not know

( ) 7.--____________under the tree? -No, they aren't.

A. Where are B. What is C. Are they D. Is it