Explanation

With the vial set inside the fly box, all the flies could be put to sleep within seconds

• "Set" is the correct past participle (not "settled") for passive construction.

• "Flies" is the correct plural of "fly."

• "Could be put to sleep" is the correct passive form.

• "Within seconds" is correct and natural English.

Explanation

He was promoted to DSP

Correct: "He was promoted DSP"  

"Promote" does not take "as" when used in passive voice.

Incorrect: "He was promoted as DSP" 

Incorrect: "He was promote DSP" (wrong verb form) 

Incorrect: "He promoted as DSP" (wrong structure) 

Explanation

Explanation

The accused was released on bail pending a hearing of his case.

Bail: A sum of money or conditions given for the temporary release of an accused person awaiting trial

Explanation

Explanation

We often use can to ask for or give permission: 

Ability. We often use can to talk about ability to do something in the present or future.

Explanation

An adverb clause is a group of words that function as an adverb in a sentence.

A clause must contain a subject and a verb to be complete.

Explanation

Unfortunately, the news was not sent in time

Starting the sentence with "Unfortunately" clearly expresses the regret.

The placement of "unfortunately" at the beginning is natural and emphasizes the tone.

Other options have awkward or less natural word order.

Explanation

• We generally use first form of verb with "Let"
• Deceive is the first form of verb.
• Deceive means دھوکہ دینا
• Don't let him deceive you اسے آپ کو دھوکہ دینے نہ دیں

Explanation

About should not be used after discuss.