Explanation

The correct phrase is "They laughed at him."

وہ اس پر ہنسے۔

It means to mock or make fun of someone.

Explanation

Ø  Of is a preposition that indicates relationships between other words, such as belonging,

Things made of other things,

Things that contain other things,

or a point of reckoning.

Ø  Off is usually used as an adverb or a preposition. In both cases, it indicates separation or disconnection.

Explanation

This is a sentence of Present Indefinite Tense.

Catch is a verb.

Caught is the second and third form of Catch.

Present Indefinite Tense

Active Voice: Subject + Verb + Object

Passive Voice: Object + is/am/are+ third form of a verb + by + subject.

Explanation

Usually preposition with is used after Charged 

Other examples:    

He has been charged with drink-driving.

I have been charged with obstruction.

She has been charged with perjury.

Explanation

"Famous for" is the correct phrase used to show the reason someone is well-known.

It indicates the specific achievement or role that brought fame.

Explanation

I have claim on you.

میں نے آپ پر دعوی کیا ہے۔

"Claim on you" implies a demand or right to something from you.

Explanation

This is a matter of little importance.

**

 we always use the "of " preposition with the "matter." 

"Of " is always used after the noun (matter is a noun in the above sentence)

If we can choose the " in, on, and with with" preposition it changes the meaning of the original sentence.

******

Explanation

She cares about the environment 

Explanation

They live in a flat over the shop.

وہ دکان کے اوپر ایک فلیٹ میں رہتے ہیں۔

"Over" is used to indicate a position above something.

It means they live in a flat directly above the shop.

Explanation

The correct sentence is: "Hyder is on vacation."

"On vacation" is the standard phrase in English.