Explanation

Explanation

The correct word to use in this comparison is "than."

The sentence compares the beauty of "her" to "her sister," and "than" is the appropriate word for making such comparisons.

B. That is incorrect as it does not function to make comparisons.

C. There is also incorrect, as it doesn't fit in this context.

Explanation

The phrase "as well as" means in "addition to" or "and also" in the context of the example that you have mentioned. When "as well as" is used as a conjunction, there is no need to use commas before or after the phrase.

Moreover, it should always be used with a singular verb.

Explanation

"I am sure" used when you are sure about something

'Are you sure you speak English?'

Ans: I am sure

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"I sure am" is used when you are ready for something

Are you ready to go?

Ans: I sure am!

Explanation

"Because" shows the reason birds can fly easily — they have wings.

It correctly connects the cause and effect in the sentence.

Explanation

Until is a conjunction.

Until means جب تک 

Until is correct because it indicates the time before spring arrives when preparation is needed.

Explanation

"And" is the conjunction in the sentence because:

It connects similar elements (bananas, oranges, grapes).

It joins words of the same grammatical type (nouns).

Explanation

"Therefore" is the appropriate conjunction here because it shows a logical consequence or conclusion.

The sentence implies that the speaker loves pizza so much that they eat it for all meals as a result.

Explanation

"So" is used to show result or consequence — the picnic was cancelled because it was raining.

The sentence structure shows cause and effect.

Explanation

Whenever is a conjunction which means جب بھی

"Whenever" is the best choice because it indicates that Saira starts sneezing every time she opens the window to get fresh air.

It expresses a habitual or recurring action, making it the most appropriate conjunction for this sentence.