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key
keys
baseball
baseballs
(快速说出下列物品)
table
bed
sofa
chair
schoolbag
baseball
keys
books
bookcase
on 在……上
The girl is on the box.
in 在……里
The boy is in the box .
under 在……下
The cat is under the box.
The ball is on the box.
The ball is in the box.
The ball is under the box.
box
ball
The baseball is under the table.
Is the baseball under/on the table?
Yes , it is./No,it isn’t.
Where is the baseball?
It’s under the table.