Explanation

We need a computer with a huge memory.

ہمیں ایک بہت بڑی میموری والا کمپیوٹر چاہیے۔

"With" is used here to indicate that the computer should possess or include a huge memory.

Explanation

She lives on Albert Street.

وہ البرٹ اسٹریٹ پر رہتی ہے۔

The preposition "on" is the standard choice when referring to a specific street or road

Explanation

Two boys are alike in looks, but not in personality.

دو لڑکے شکل میں ایک جیسے ہیں لیکن شخصیت میں نہیں۔

"Alike" is used to indicate similarity in appearance or characteristics.

Explanation

I waited for her until six o'clock, but she did not come.

میں چھ بجے تک اس کا انتظار کرتا رہا لیکن وہ نہیں آئی۔

"Until" is used to indicate the time up to which an action or event continued.

Explanation

She might be here tomorrow.

وہ کل یہاں ہو سکتی ہے۔

"Might" is used to indicate a possibility or uncertainty about the future.

Explanation

All that you say is certainly true.

جو کچھ تم کہتے ہو یقیناً سچ ہے۔

In this context, "that" is used to introduce a clause and specify what is being referred to.

Explanation

Barnard developed a new technique in heart surgery.

برنارڈ نے دل کی سرجری میں ایک نئی تکنیک تیار کی۔

In this context, "technique" refers to a specific way of performing a procedure or task, especially in a specialized field like surgery.

Explanation

I will be rich one day.

میں ایک دن امیر ہو جاؤں گا۔

"Will" is used to express a strong intention or future certainty.

Explanation

I have known her for three days

میں اسے تین دن سے جانتا ہوں۔

"For" is used to indicate a period.

When you say "for three days," you specify the length of time you have known her.

Explanation

I can hear somebody coming.

میں کسی کے آنے کی آواز سن سکتا ہوں۔

Here, "hear" indicates the ability to perceive sound, fitting the context of detecting someone approaching.