Question Library

A prototype is an early model or sample of something, used to demonstrate the design or concept of a project. In the context of a proposed office complex, the director would likely show the contractor a prototype to illustrate the design or structure before construction begins.

The sentence should read: "Should you come early to the new house, clean up my flat." This is an example of a conditional sentence, where "should" is used to form a more formal or inverted condition (similar to "if you come early").

The sentence should read: "This imposing edifice cost a fortune to build." Cost is the correct past tense of "cost".

The sentence should read: "They let him go in respect to his age." Respect means consideration or honour due to a person's age. "in respect to" is the common expression.

The sentence should read: "Some scientists are trying to replicate human beings in their laboratories." Replicate means to make an exact copy or reproduce. It means that scientists trying to recreate or reproduce human beings.

The sentence should read: "He does not seem to know how to solve the problem, does he?" "Does he" forms the correct question tag for a negative statement ("He does not seem to..."), where we use a positive tag after a negative statement for contrast or confirmation.

The sentence should read: "These villagers used to grow rice." Used to shows an action or situation that was true in the past but is no longer the case. The villagers grew rice in the past but no longer do.

The sentence should read: "Ade tried to obliterate all memory of his dead father." Obliterate means to completely erase or destroy.

The sentence should read: "The weather is probably less appealing for people who live in Jos than for foreigners." Less ... than is the appropriate comparative structure to show that the weather may not be as appealing to locals as it is to foreigners.

The sentence should read: "The meeting was called to reconcile divergent views on the subject of a national conference." Reconcile means to bring together differing opinions or settle disagreements, which is appropriate here as the purpose of the meeting is to harmonise or address the different views on the topic.

The sentence should read: "The police came early enough to defuse the bomb planted by the rioters." Defuse means to make a situation less dangerous or to deactivate an explosive device. Diffuse means to spread over a wide area. Insulate means to protect from heat, cold or noise. Detonate means to set off an explosion, which is the opposite of what the police aim to do in this situation.

The sentence should read: "Having been told of his impending arrival, I worked hard to make his short stay very comfortable." Having been is the correct form here because it introduces an action that occurred prior to the main action ("I worked hard"). It indicates that the speaker was informed beforehand, which led them to prepare for the arrival.

More power to your elbow is an expression of praise or admiration for someone's success or brave actions: More grease to your elbow is informal and a colloquial slang

Estranged means being emotionally distant or separated. In the context of the sentence, it means that Ajike had been distant from her husband, and meeting him at the party made her feel like reconciling with him.

To "fall back on" something means to use something as a last option when other plans or resources have failed or are unavailable. It means that something is already in place or available as a backup.