meaning of slang expression: 'do up'

[MonaLi]

Test No. incompl/advan-6 "Phrasal Verbs", question 6

When spring comes, people often feel inclined to ......... their houses.

(a) do over
(b) do through
(c) do up
(d) do in

Test No. incompl/advan-6 "Phrasal Verbs", answer 6

When spring comes, people often feel inclined to do up their houses.

Correct answer: (c) do up

Your answer was: incorrect
When spring comes, people often feel inclined to do over their houses.
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What's the difference between "do up" and "do over" I've never heard any of these expressions in English

[Alan]

Do over is a slang expression which means hit someone until you get what you want. Do up means decorate in the sense of paint and make a room/house look more attractive.
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[Marshall]

[Alan]

Not really - I think that do over on its own is too vague for the sense intended here.
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