Grade-3 Higher Secondary

They is a third-person plural personal pronoun used to replace a noun.

Foe is the classic antonym for friend, meaning an enemy or adversary.

Mourn. To lament is to express sorrow, mourning, or regret.

Varbally is incorrect. The proper spelling is Verbally.

Biography. An autobiography is written by the person themselves.

Expressed in short. It is a common idiom meaning to summarize something concisely.

Faster. The comparative degree is used here because two entities (Tuhin and Zubin) are being compared using 'than'.

Pack is the standard collective term for dogs, wolves, or hounds.

(-) is the hyphen, primarily used to join words or parts of words.

Joy is the noun form directly denoting great pleasure and happiness, serving as the antonym of sorrow (noun).

To get the monkey off one's back is an idiom that means to relieve oneself of a burdensome problem.

I went to go home now mixes past tense ('went') with a present time marker ('now') and infinitive phrase redundantly.

Going fits the present continuous interrogative construction (Is + Subject + V-ing).

It is the third-person neuter singular pronoun used for non-living objects, animals, or ideas.

Matress is incorrect. The right spelling has double 't', i.e., Mattress.