Change in the plural.
1) That woman has got a pink scarf.
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2)This bus is blue.
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3)That man is a doctor.
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4)My friend is a Russian.
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5) A superhero has got special powers.
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6) I have got a toy mouse. 
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7) She has got a digital camera.
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8) This is a helmet and that is a watch.
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Those women have got a pink scarfs. These buses are blue Those men are doctors My friends are Russian Superheroes have got special powers I have got toys- mice They have got digital cameras these are helmets and those are watches