Explanation

Receiver's email address is required to send an email.

Without it, the email has no destination and cannot be delivered.

Explanation

Yoke means غلامی

Freedom means آزادی

Explanation

ناول آنگن کی ہیروئن عالیہ تھی۔

Explanation

Explanation

The sentence should read, "You had already left by seven o'clock, hadn't you?"

It uses the past perfect tense and its negative form in the question tag.

Explanation

The first space shuttle launched by the USA on April 12, 1981, was named "Columbia."

It marked the beginning of the Space Shuttle program.

Explanation

A Proxy Server primarily routes TCP/IP requests between clients and servers, enhancing security, privacy, and network performance.

Explanation

Tobacco products are addictive because they contain nicotine.

Nicotine keeps people using tobacco products, even when they want to stop.

Explanation

He was ill with a fever

وہ بخار سے بیمار تھا۔

The phrase "ill with fever" is the correct way to describe someone suffering from a fever.

The preposition "with" is used to indicate the illness or condition affecting the person.

The other options ("ill to fever" and "ill by fever") are grammatically incorrect.

Explanation

 would have succeeded is the most appropriate choice for expressing a strong expectation of success if the effort had been made