Explanation

After “if” in a conditional sentence (first conditional), we use the base form of the verb.

So, “if they work hard” is correct.

Explanation

The word "respectable" begins with a consonant sound.

The indefinite article "a" is used before a singular noun that begins with a consonant sound.

Therefore, "a respectable man" is the correct phrasing.

Explanation

The word "yesterday" indicates that the event happened in the past.

The auxiliary verb for all subjects in the past tense is "did."

Explanation

"They will be playing cricket at that time."

• The phrase "at that time" suggests a future point in time.

• To express an action that will be happening at a specific time in the future, we use the future continuous tense:
  → "will be" + verb-ing

Explanation

"Who" is used for people in the subject position.

Correct sentence: "Take your application to the person who you think can help you."

Explanation

With anybody/anyone, the reflexive pronoun used is themselves.

Correct sentence: "Did anybody do the work themselves?"

Explanation

The subject is "one", so the correct pronoun is "one should".

Correct sentence: "When one needs career counselling, one should go to the college career advisor."

Explanation

The object pronoun "him" is correct after the verb asked.

Correct sentence: "Several times during the session the director asked him to tell his success story to the other promotion."

Explanation

"Whose" shows possession (the car belonging to the man).

The correct sentence is: "There was a surprising story in the paper about the man whose car was stolen."

Explanation

Salman is finishing work.  

The phrase "is finishing" uses the present continuous tense,

Which describes an action that is currently in progress.