Difference between opinion and advice

[kris]

Test No. errors/inter-2 "Between the lines", question 8

I did exactly what you suggested, took your opinion and applied for promotion.

(a) did exactly
(b) suggested
(c) opinion
(d) applied

Test No. errors/inter-2 "Between the lines", answer 8

I did exactly what you suggested, took your advice and applied for promotion.

Correct entry: advice
The error was: (c) opinion

You have not found the error.
I did exactly what you suggested, took your opinion and applied for promotion.
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why can not use opinion?

[Alan]

This word means what you think. You need advice here because the other person is looking for help and not someone's thoughts.
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English as a Second Language
You can read my ESL story Prepositions