Explanation

We use "for" when referring to the purpose or reason for a gift.

So, "She gave me a watch for my birthday" is the correct and natural expression.

Explanation

According to the Survey of Pakistan 2020, the revised total length of the Line of Control (LoC) between India and Pakistan is 861 km.

Explanation

The correct preposition used with "pay" when referring to cheque is "by".

So the correct sentence is: "You may pay by cheque".

Explanation

The phrase "delighted with" is correctly used to express pleasure or satisfaction about something.

So, "delighted with the generosity" is grammatically and idiomatically correct.

Explanation

Explanation

Geophysics is the science that studies the internal structure and physical properties of the Earth.

It includes the study of earthquakes, magnetic and gravitational fields, and Earth's interior layers.

Explanation

The correct phrase is "beg forgiveness of someone", meaning to ask that person for pardon.

So, "beg forgiveness of this gentleman" is grammatically correct and idiomatic.

Explanation

Explanation

The sentence means that teachers follow or model their actions based on the example of the Prophet (S.A.W).

The correct preposition to express imitation or following someone’s example is “after.”

Explanation

The correct phrase is "quick in mind," meaning intellectually sharp or intelligent.

"In" is the proper preposition to describe a quality within someone, like the mind.