why should't we use "get away with" here?

[Wegerra]

English Language Tests, Intermediate level

ESL/EFL Test #163 "Idioms with the phrasal verb get", question 2

My accountant advised me that one of the best ways to ......... paying taxes in my own country was to set up an offshore bank account.

(a) get away with
(b) get by with
(c) get down to
(d) get around

English Language Tests, Intermediate level

ESL/EFL Test #163 "Idioms with the phrasal verb get", answer 2

My accountant advised me that one of the best ways to get around paying taxes in my own country was to set up an offshore bank account.

Correct answer: (d) get around
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why should we use "get away with" here?

Wegerra

[Mister Micawber]

.
'Get away with' means succeed in doing something wrong. Paying taxes is not wrong, so 'get away with' is a wrong answer here. If the sentence said 'NOT paying taxes', the 'get away with' would be a good answer.
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Native English teacher at Mister Micawber's