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缉毒犬
搜救犬
They can do a lot.
They are useful.
有用的
许多
Listen and chant.
Dogs are clever.
Dogs are cute.
They can help a lot.
Dogs are useful.
Dogs are cool.
They can do a lot.
This man is ______.
He can’t _____.
This dog helps ______.
him
see
blind
This girl is______.
She can’t______.
This dog helps ______.
her
hear
deaf
Last week, there was a______.
This dog helped the ______.
firefighters
fire
blind deaf hear firefighter