Expedient means convenient and practical, although possibly improper or immoral. ill-advised means not sensible, wise, or prudent.

Convenient- suitable or practical for a particular purpose; not causing difficulty.

Manoeuvre- a movement that needs care or skill

Fetch- to go to a place and bring back somebody/something.

Option “A” is the correct answer.

Assemble means to collect or meet together at one place.

Gather means accumulate, bringing together.

Lease means to allow someone to use the land, property for a specific period of time.

Scatter means spread far apart.

Attack means to make an attempt to hurt someone or something.

Option “C” is the correct answer.

Timid means easily frightened, fearful.

Tired means in need of rest, exhausted.

Morbid mean having or showing interest in unpleasant things, especially death.

Faint-hearted means weak-hearted OR fearsome.

Shy means uncomfortable with other people frightened to do something or nervous.

Spare also means lean whereas rotund means round or fleshy. Hence, the correct answer.

Pacify – additional to what is required for ordinary use.

Impolite- not having or showing good manners; rude.

Impose- force (an unwelcome decision or ruling) on someone.

Tragic means regrettably serious or sorrowful.

Comic means humorous. Hence, the most appropriate antonym.

Boring- not interesting; tedious.

Mysterious- difficult or impossible to understand, explain, or identify.

Incredulous- (of a person or their manner) unwilling or unable to believe something.