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. At one's beck and call

To be under one's subjugation
To be always at one's service
Enjoying oneself without caring for others
To be in an advantageous position

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Idiom
To cast pearls before a swine

To spend recklessly
To waste money over trifles
To spend a lot of money on the unkeep of domestic hogs
To offer a person a thing which he cannot appreciate

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