Sentence Completion

An implacable foe is an enemy who cannot be appeased, pacified, or stopped - unyielding in opposition. This fits the context of describing a formidable or relentless enemy. Pliable means easily influenced (opposite meaning), unnecessary and rigid don't fit the context of foe.

'Implicit' means implied, not clearly stated i.e indirectly expressed.

Confidentility in doctor and patient relation is a legal concept..... Hence, option (2) is correct.

Importunate means persistently or annoyingly demanding, urgent in a troublesome way. This fits the context of repeated requests for medical aid that went unanswered. Harassing and aggressive are close but importunate specifically captures the urgent, persistent nature. Arrogant doesn't fit.

Impromptu means done without preparation or planning. The context suggests the remark was unintentional rather than deliberately offensive. Foolish and idiotic are negative judgments about intelligence, while ad hoc refers to something created for a specific purpose rather than being unplanned.

'Glimmered' means 'faint or unsteady light'. It suits the sentence as the chances of survival are little, so hopes are faint or unsteady.

Hypocrisy means .....when someone pretends to have certain beliefs or opinions that they do not really have - used to show disapproval

Mess is the most natural collocation here - business affairs in a complete mess means they were disorganized and chaotic. While chaos is semantically close, the phrase in a complete chaos is less natural than in a complete mess. Jumble and jam don't fit the business context as well.

Distraction refers to something that prevents concentration or diverts attention. Loud noise naturally makes it difficult to focus, making distraction the logical choice. Commotion describes the noise itself, not its effect. Upset and pastime don't fit the context of difficulty concentrating.

Instill means to gradually but firmly establish an idea, attitude, or quality in someone's mind. This is the correct verb for building self-respect in students over time. Install is for physical objects or software. Invoke means to call upon. Improve is too general and doesn't capture the gradual implantation of values.

Make or break is a common idiom meaning to cause someone's complete success or complete failure. The media has the power to create celebrities (make them famous) or destroy their careers (break them). Create/destroy is less idiomatic, and install/remove and anoint/remove don't capture this meaning.

Subsequent means coming after something in time or order. The sentence contrasts initial investigations with later events that proved innocence. Preceding would mean before, which contradicts the logic. Additional and extra don't establish the temporal relationship needed.

Ensue means to happen as a consequence or result. Panic ensued means panic followed the news breaking. Ensured means to make certain. Assured means to make confident or promise. Attracted doesn't capture the natural unfolding of events.

Consequence means a result or effect of an action. As a consequence of is proper formal language indicating cause and effect. Aftermath refers to the period after a disaster, not the causal relationship itself. Concern and import don't fit the grammatical or logical structure.

Appraise means to assess the value, quality, or nature of something. Observers would be sent to assess or evaluate a situation. Predict is about forecasting. Measure is about quantification. Control is about managing, which observers don't do - they assess.

Stubborn means refusing to change one's mind or behavior. Constant criticism can trigger defensive stubbornness in children. Firm and admonishing are positive traits developed through guidance, not criticism. Disturbing doesn't make sense as a result of being criticized.

Get a break is an idiom meaning to receive an opportunity or lucky chance. Being spotted playing college football gave him his first opportunity in the industry. Occasion and appearance are neutral events. Choice implies selection rather than opportunity.

Broken is the most natural way to describe a non-functional appliance. If the washing machine is broken, doing laundry manually becomes necessary. Rotten applies to organic material. Bad is too vague. Cracked specifically refers to physical damage but doesn't necessarily mean non-functional.

'Impervious' means unaffected by or unmoved by something. When someone is impervious to resentment, they remain untouched by the negative feelings growing around them, suggesting emotional detachment or indifference.

When someone is overcome with emotion while speaking about something tragic, their voice can 'break' or falter. This word choice perfectly fits the context of tears sliding down her face as she narrates the sad incident.

The question tests vocabulary in context. 'Implicated' in formal usage can mean shown to be involved in or connected to something, suggesting his words revealed or connected to her error. While 'indicated' might be more common, this tests the student's ability to work with the given options.

'Pass for' is a phrasal verb meaning to be accepted or mistaken as something/someone. When someone has such good manners, they can easily be mistaken for or accepted as a gentleman, even if they aren't one by birth or status.

 Reputation cannot be 'implemented, attracted or installed'. It changes the meaning completely.  So, option 1 is correct. Reputation is 'enhanced'.

An alibi is a claim or piece of evidence proving a person was elsewhere when a crime was committed. When new evidence breaks or disproves this alibi, it means the defendant's claim of innocence is no longer believable.

A plan is revised, a disease is diagniosed, a secret is disclosed and things revive after a decline. Hence, option 3 is the correct answer.