Put it to the test

[Lusen]

Test No. incompl/inter-59 "Testing, Testing", question 2

The law that has just been passed may be useful but we don't know until we've ......... it to the test.

(a) placed
(b) struck
(c) started
(d) put

Test No. incompl/inter-59 "Testing, Testing", answer 2

The law that has just been passed may be useful but we don't know until we've put it to the test.

Correct answer: (d) put

Your answer was: incorrect
The law that has just been passed may be useful but we don't know until we've placed it to the test.
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Why 'Placed' isn't correct?

[Alan]

This is an idiom.
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English as a Second Language
You can read my ESL story Cool Expressions

[Thunu]

Dear Teachers

So what does "put it to the test" mean and can you eplain this sentence for me? I don't understand its meaning.

Thank you very much

Thu

[Juanfrausto]

I'm not a teacher, but let me try to help you. The complete phrase has two parts:
1) The law has just been passed = it was just approved.
2) but we don't know until we've put it to the test = However until this law be tested we don't know it complete if it wil be ok or not.
Regards

[Thunu]

Hello Juanfrausto

Thank you very much for your help. Although you are not a teacher but your explanation is very easy for me to understand and I'm convinced your English is much better than me. There is a Vietnamese proverb that more one word or even a half of word is a teacher.
So If any question you can explain, please help me. I'll appreciate your kindness.

Best regards for you

[Juanfrausto]

Hi Thunu.
It was a pleasure to help you.
Regards