Using the word "return"

[Katherine]

Synonym Search, Intermediate level

ESL/EFL Test #121 "Synonyms for profit and benefit", question 10

One of the great ......... to the students when they go on a mountain walk is that they learn a lot about wild flowers.

(a) benefits
(b) returns
(c) supports
(d) profits

Synonym Search, Intermediate level

ESL/EFL Test #121 "Synonyms for profit and benefit", answer 10

One of the great benefits to the students when they go on a mountain walk is that they learn a lot about wild flowers.

Correct answer: (a) benefits

Your answer was: incorrect
One of the great returns to the students when they go on a mountain walk is that they learn a lot about wild flowers.
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Hello!:)

Could you, please, explaine when we are using the word "returns"?

Thanks in advance
Katherine

[Conchita]

'Return' can be used in the sense of 'profit' meaning the income from money invested:

Does the savings bank give you a good return on capital?

[Sonia*]

Hello Teacher,

Please explain, what is the meaning of "support" in this test?

Thanks!
Sonia*

[Beeesneees]

Hello Sonia,

'supports' is incorrect, but the author probably intended you to think about support as encouragement or giving help:
http://www.oxfordadvancedlearnersdictionary.com/dictionary/support

For example,

I am willing to support you (give you help) in learning the meanings of words.
As part of that support I am trying to encourage you to use a Learners' Dictionary.
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Cheers m' dears!

[Sonia*]

Hi,

Ok. I have got it. Thanks!

Sonia*