Explanation

These dresses were on sale.

On sale means available for purchase. 

Explanation

Sustain Through is a phrasal verb which means مدد دینا، سہار دینا

Explanation

Her research was so  Through   that not even one tiny bite of evidence was left  Unexplored 

اس کی تحقیق اس قدر تھی کہ ثبوت کا ایک چھوٹا سا حصہ بھی دریافت نہیں کیا گیا

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 Through Unexplored is the best to keep the meaning of the original sentence 

Unexplored  is Adjective

SH1-8-2023

Explanation

Here the word 'every indicated this sentence belong to President Indefinite Tense. 

We use first form of verb (play) with I in this tense.

I play tennis every Saturday means میں ہر ہفتے کو ٹینس کھیلتا ہوں

Explanation

She went to the market to purchase some vegetables means کچھ سبزی خریدنے وہ مارکیٹ گئی

Explanation

Escape is generally followed by from.

Escape from means بچ نکلنا

Explanation

We generally use of after comprise.

Comprise of means consist of.

Of is a preposition here. 

This house comprises of four bed rooms یہ گھر چار بیڈ رومز پر مشتمل ہے۔

Explanation

This structure describes how you travel somewhere.

by + train, car, boat, plane, taxi, bus, coach

Has he come by train? کیا وہ ٹرین سے آیا ہے؟

Explanation

Explanation

She is used to face the hardships of life.