Explanation

The correct replacement is "He is much obliged."

"Much" is used to express a greater degree of obligation or gratitude.

Explanation

The correct sentence is "Both sisters are in the same class."

"Are" is used with "both" to indicate that both individuals share the same situation or position.

Explanation

The correct sentence is "Hundreds of people are watching the match on TV."

"Hundreds" is used to refer to a large number, and it must be plural to make sense in this context.

Explanation

Native means مقامی

Endemic means مقامی

Explanation

You do wrong, but you do not show.

- Stating a fact or observation (the speaker is pointing out a contradiction or behavior),

- Not expressing emotion, sympathy, or understanding,  

- And it uses "do not", which is a clear sign of negation,

Explanation

The correct sentence is "I should hate to be confined in an office all day."

The preposition "in" is used to indicate being enclosed or restricted within a place.

Explanation

Connoisseur ماہر

It is particularly in the arts or fine things that people appreciate and evaluate quality in these areas.

Explanation

The correct sentence is "He has no child with his wife.

The preposition "with" is used to indicate the person with whom he shares or lacks children.

Explanation

The correct active voice for "She must be helped by me" is "I must help her."

Here, the focus shifts from the person receiving help to the person providing it.

Explanation

Overwrought means پریشان

Calm means پرسکون