Explanation

The sentence requires a gerund (verb + ing) after the verb "loves."

"He loves watching TV" is grammatically correct.

Explanation

"On top of" indicates that the children are playing physically on the surface or upper part of the roof.

It specifies the exact location where the action is taking place.

Explanation

She had been sleeping for six hours when I woke her up.

The sentence is in past perfect continuous tense.

"Had been" is used to describe an action that started in the past and continued up to another point in the past.

Explanation

"Therefore" shows a cause-and-effect relationship between being tired and taking a nap.

It logically connects the reason (tiredness) with the result (taking a nap).

Explanation

Allay means to reduce or ease (fears, suffering, concerns, etc.).

It fits the context where the government should lessen the suffering of the people.

Explanation

"Regain" means to get back something that was lost, like a title or trophy.

It fits here because the players are trying to win back the trophy they once had.

Explanation

"During" is used to indicate something happening in the course of an event.

"During the lecture" means at the time the lecture is happening — correct usage here.

Explanation

"Any" is used in negative sentences to refer to an indefinite quantity.

The sentence is negative ("couldn't find"), so "any" fits correctly.

Explanation

• Layout means ترتیب
• The new owners of the paper changed the layout completely
• کاغذ کے نئے مالکان نے ترتیب کو مکمل طور پر تبدیل کر دیا
  

Explanation

If I knew her name, I would tell you means

اگر مجھے اس کا نام معلوم ہوتا تو میں آپ کو بتاتا

The second part of the sentence is in the past tense.

The verb to be used should also be in the same tense.

The past tense of the word "know" is "knew".

Therefore, the correct tense here is past tense and the verb used is "knew".