Explanation

The correct structure is "prevent someone from doing something."

So, "He prevented me from going there" is the correct sentence.

Explanation

Generally prefer is followed by To.

To is a preposition here.

Prefer means ترجیع دینا

I prefer tea to coffee. 

Explanation

Both Laugh and Sneer are followed by preposition at. 

Sneer at means مزاق اڑانا یا طنز کرنا

You should not sneer at the boy.

We must not sneer at elders. 

He was laughing at the poor.

Explanation

The phrase “placed on the table” means the book is resting directly on the surface.

"On" correctly shows contact between the book and the table.

Explanation

 The meeting was held in the conference room.

یہ ملاقات کانفرنس روم میں ہوئی۔

Use “in” when something happens inside an enclosed space, like a room, hall, or building.

Explanation

My sister has been living in Paris for three years.

میری بہن تین سال سے پیرس میں رہ رہی ہے۔

We use "for" with a duration of time (e.g., for two hours, for ten years).

Explanation

We use “on” with days and dates (e.g., on Monday, on Friday, on July 5).
This sentence refers to a specific day, so:  “On Friday” is correct.

Explanation

The corrected sentence would be: "The teacher is popular with his students."

This means that the students like and admire the teacher.

"استاد اپنے طلباء میں مقبول ہوتا ہے۔"

Explanation

The correct phrase is "take care of" when referring to looking after something or someone.

Correct sentence: "Take care of your health."

Explanation

Sympathy for someone means کسی کیلئے ہمدردی ہونا 

Examples: 

He has no sympathy for beggars. 

I have no sympathy for you.

I have no sympathy for him.

I have no sympathy for poor.