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Listen、read and answer
What did Ms. Smart buy yesterday ?
How many crayons did Ms. Smart buy?
How many children are there in the class?
What’s Sam doing?
She bought some crayons yesterday .
There are twenty children in the class .
She bought twenty crayons .
He’s giving out the the crayons .
A: There are three crayons.
B: But there are four children.
A: There are five chairs.
B: But there are six children.
A: There are four caps.
B: But there are five children.
A: There are two T-shirts.