Explanation

Many a man has suffered during the war.

we select the option "has" because " a man is singular" 

Has is used with singular subjects in the present tense and with the pronouns he, she, and it.

Additional Sentence

Have is used with plural subjects and with the pronouns I, you, we, and they

Explanation

Ahmad Khan Kharal fought against the British in the War of Independence of 1857

In the Bar region of Pakistani Punjab.

He was a Punjabi Muslim chieftain and leader of the Kharal tribe.

He died fighting the British on September 21, 1857, at the age of 81

Explanation

The Khmer Rouge name was popularly given to members of the Communist Party of Kampuchea (CPK)

The name was coined in the 1960s by then-Chief of State Norodom Sihanouk 

Its Headquarters is in Phnom Penh, Cambodia

Dates of operation from June 1951 to March 1999

Explanation

Here was cheating shows past tense.

We use second form of verb (knew) in simple sentence of Past Indefinite Tense.

The examiner knew that the candidate was cheating.

Explanation

Set upon/on is a phrase.

Set upon/on means اچانک حملہ کردینا

The robbers set upon the unarmed travellers 

Explanation

timorous سخت

bold دلیری سے

Explanation

On 21 June 2023, Prime Minister Shehbaz Sharif arrived in France to attend the New Global Financing Pact Summit in Paris.

Explanation

Explanation

Could is a modal verb.

Could can be used for polite/formal request.

Could I have some more tea please?

کیا میں مزید چائے پی سکتا ہوں؟

Explanation

Aberration خرابی Aberration (ذ ہنی مسئلہ)

Anomaly بے ضابطگی

deviation انحراف