Idiom
For each of the following sentences four alternatives are given. You are required to choose the correct meaning of the idiom or phrase given or underlined in the sentence. The detective left no stone unturned to trace the culprit.

did very irrelevant things
resorted to illegitimate practices
used all available means
took no pains

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Idiom
To cool one's heel

To remain in a comfortable position
To be kept awaiting someone
To rest for sometime
To give no importance to someone

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