方位介词in, on, under的区别
1.in: 表示“在……中”，“在……内”(常指“在某一立体空间内”)。

如：in my schoolbag in the room in the pencil-case
2.on:表示“在……上”（常指“在某一水平面上”）。

如：on the wall on the table
2.under:表示“在下”（常指“在某一水平面下”）。

如：
under the chair under the table under the bed
精挑细选
( ) 1. --_______ my schoolbag?
--It’s under the table.
A. What
B. Where are
C. Where’s
( ) 2. Where ________ my keys?
A. is
B. are
C. am
( ) 3. --Where are my books?
--______on the sofa.
A. It’s
B. They’re
C. They is
( ) 4. --Where’s my pen?
--_____in your schoolbag.
A. It’s
B. They’re
C. They is
( ) 5. Where are my _______?
A. schoolbag
B. schoolbags
C. the schoolbag
句型转换
1.Where are my books? (改为复数句)
___________________________________________________________
2.They’re on the table. (改为单数句)
___________________________________________________________
3.Where is my computer game?（改为复数句）
___________________________________________________________
4. It’s under the bed. (改为复数句)
___________________________________________________________
5. My schoolbag is under the table. （就划线部分提问）
___________________________________________________________
当堂检测：翻译练习
T: Let’s do some translation exercises. Please translate my sentences into English.
a.那个棒球在哪里Where______the _______?
我不知道。

I _____ ________.
它在书包里吗？_____ it in your schoolbag?
不，它不在。

它在椅子上。

No，____ _____.It’s _____ the______.
b.钥匙在书架上吗？______the keys on the bookcase?
不，不在。

No,____ _______.
c.这些书在床上。

The books_____ on the be
d.
这些书在床上吗？_______ _________ on the bed?
d.我的英语书在沙发上。

My English book is_______the sofa.
我的英语书在沙发上吗?____________________________________?
e.的笔记本在在飞机模型下面。

My_____ is _____ the model plane.
f.他的磁带在录音机里。

His tape _____ in the ____ ______.
( ) 1. – Where are the balls?
- I think they are ______ the floor.
A. in
B. on
C. at
( ) 2. Can you see the bike ______ that apple tree?
A. on
B. in
C. under
( ) 3. Is your photo in the drawer(抽屉)? __________
A. Yes, I am.
B. No, it is.
C. Yes, it is. ( ) 4. ______ my baseball? It’s under the chair.
A. Where
B. Where’s
C. Where’re ( ) 5. Where are your brothers? ___________
A. He is at home.
B. I don’t know.
C. Yes, they are. ( ) 6. There _____ a computer on the desk.
A. are
B. is
C. has
( ) 7. _____ there any water in the cup?
A. Is
B. Are
C. Has
( ) 8. He _____ a small room. _____ a nice desk in it.
A. is, There is
B. has, Has
C. has, There is ( ) 9. Lucy and Lily _____ a new bike.
A. have
B. has
C. there is ( ) 10. There _____ an orange and two apples on the table.
A. are
B. has
C. is。