The correct passive is “The work will be completed tomorrow” because future simple tense in passive is: will + be + past participle.

Reluctant means unwilling or hesitant. Antonyms are willing/eager.

Error is in “do”. It should be “does” → “He does not know the answer.”

Philanthropist means lover of mankind.

It means avoiding the main point.

By + future time → Future Perfect tense is required.

Scarcity means shortage. Opposite is “Abundance”.

Neither is singular. Correct → “Neither of the boys was present.”

Honest begins with vowel sound, so use “an”.

Look forward to is the correct phrase.

Fragile means weak, delicate.

Reporting verb in past → change present to past. Correct: “He said he was tired.”

MUST shows strong obligation.

No ‘than’ with senior/junior. Correct: “She is senior to me.”

It means a misfortune that turns out beneficial.

Astronomer = person who studies stars/space.

Comparative of “good” is “better”.

Opposite of “Complex” is “Simple”.

With “nor” nearest subject decides. “Friends” → plural → were.

Correct spelling is “Occurrence”.

Logical order: sunset → sky turns orange → birds return → darkness spreads.

Logical order: Statement of fact (C), then importance (A), survival (B), scarcity (D).

Logical: Gandhi led (A), believed in non-violence (B), people followed (C), result → freedom (D).

Enormous means huge, very big.

Ongoing past action interrupted → Past Continuous.

No “with” is used. Correct: “She married a doctor.”

Hostile = unfriendly. Opposite = “Friendly”.

Addicted to is correct usage.

Polyglot = one who knows many languages.

It means to regret something that cannot be undone.