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He cleans his teeth
They think about it
She opens the door
They drink tea
My parents watch TV 
Ann reads a book
Bob made a ship
His brother found a nice cat
We don`t eat sweets
Does she write a letter
It doesn`t drink milk

He cleaned his teethThey thought about itShe opened the doorThey drank teaMy parents watched TVAnn red a bookBob made a shipHis brother found a nice catWe didn't eat sweetsDid she write a letterIt didn't drink milk