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陕旅版英语三年级下册《Unit 7 There is a TV in the classroom. Unit 7 There is a TV in the classroom.（通用）》优质课ppt课件
Yes,It's there.
There is a ruler in the bag.
There is a box under the desk.
There are balls on the floor.
A ruler
A box
Two balls
There is/are…某处有(存在)某人或某物
There are two blackboards in the classroom, too
How many students are there in the classroom?
There are twenty.