Explanation

The word "throw" represents an action performed by the subject "He." 

It functions as a verb in the sentence.

Explanation

The word "Iqra" is a proper noun.

It referring to a specific person's name in the sentence.

Explanation

The article "an" is used before "egg" because "egg" begins with a vowel sound.

This making "an egg" the correct phrase.

Explanation

"An" is used before a noun that starts with a vowel sound.

Since "apple" starts with a vowel sound ("a" sound), the indefinite article "an" is used instead of "a".

So, the correct sentence is: "Ali has an apple".

Explanation

The word "tall" describes the height of the noun "building."

It functions as an adjective in the sentence.

Explanation

The word "sweet" describes the quality of the noun "mango."

It functions as an adjective in the sentence.