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

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Idiom
To put one's hand to plough

Take interest in technical work
To get entangled into unnecessary things
To take up agricultural farming
To take a difficult task
None of these

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Idiom
Balloon goes up

When the plan is successful
When brain starts working
When expected trouble begins
When the plane starts flying

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