Fill in the Blanks

Precarious means uncertain; unstable; insecure. So, it fits here.

'Mowed down' is an idiomatic expression meaning to knock down, crush, or destroy, often used when vehicles strike pedestrians. While 'run down' is also possible, 'mowed down' more powerfully conveys the mass casualty aspect of this tragic railway crossing accident.

In the context of a butcher processing livestock, hacked is the specific and most suitable term describing the action. While cut is general, hacked fits the specialized vocabulary associated with butchery.

Feverish, frenzied, and frenetic all describe intense, excited, or frantic activity. A 20% single-day gain in the stock market would generate all three types of behavior from traders, investors, and analysts.

Painkillers relieve pain. Therefore, a person whose pain has eased will feel calm, quiet and tranquil.

Insomnia refers to the inability to obtain sufficient sleep, especially when chronic; difficulty in falling or staying asleep. It fits in the context of working late nights.

Squabble is a petty quarrel. It fits in the context here.

Chagrin means embarrassment, distress, or humiliation at being frustrated or disappointed. Discovering your email has been hacked would naturally cause chagrin - it captures the specific mix of shock, embarrassment, and violation that goes beyond simple anger or displeasure.

Bickering means arguing about petty matters, while cribbing (in Indian English) means persistent complaining. Both behaviors would alienate coworkers, making 'Both 1&2' the correct answer. Innuendo doesn't fit the context of behavior that puts people off.

Faltered means to walk unsteadily, stumble, or hesitate - perfectly describing a child's first steps. 'Fell down' is too definitive, while 'impeded' and 'grappled' don't fit the context of learning to walk.

All three words (tranquil, calm, serene) are synonyms meaning peaceful, quiet, and undisturbed. A tranquil setting provides the ideal atmosphere for filming a song sequence without unwanted noise or disruption.

'Transcends' means to go beyond limits or boundaries, which perfectly fits the context of poetry crossing national boundaries. While 'surpasses' and 'exceeds' can also mean to go beyond, 'transcends' is the most elegant choice for abstract concepts like boundaries between nations.

'Gambolled' means to run or jump around playfully, which is the most precise and contextually appropriate word for a child playing in a field. Common verbs like 'jumped', 'played', or 'danced' are either too generic or don't capture the joyful, spontaneous movement of a child.

All three verbs (praised, lauded, eulogized) mean to express approval or admiration. Praised is most common, lauded is more formal, and eulogized typically means to praise highly (often in speech). All could apply to evaluating NGO performance, making 'All of the above' correct.