Explanation

The active voice focuses on the subject performing the action.

In this case, "Ali" is the subject who performed the action of writing the letter.

Hence, "Ali wrote the letter" is the correct active form.

Explanation

This is a sentence of Future Simple Tense.

The passive form in the simple future tense is made by putting will / shall + be before the past participle form of the verb. 

Explanation

• The given sentence is in the present indefinite tense.
• The structure followed to change the voice of the present indefinite tense is 'object+ is/am/are+ V3+ by+ subject'.
• Therefore, the correct passive voice of the given sentence is 'An important announcement regarding the foreign policy is expected today.'
• Note: In the given sentence, subject is understood, hence, 'by+ subject (by us)' is not given in the passive voice.

Explanation

The homework has been completed by the students.

In passive voice, the focus shifts to the object, and "has been" is used with the past participle to show the homework was completed by the students recently.

Explanation

You are requested to give me your pen and take your seat.

This option is polite and correctly conveys a formal request, maintaining the original meaning while using appropriate language.

Explanation

350 runs were scored by our team in the Inter-college Cricket Tournament.

In passive voice, the object of the active sentence becomes the subject, and the verb is in the past participle form, making "were scored" the correct construction.

Explanation

She says that she keeps at an arm's length all those who try to flatter her.

This is the correct way to report the original direct speech sentence in indirect speech.

When converting direct speech to indirect speech:

• The pronoun "I" becomes "she"
• The verb tense remains the same (keeps)
• The sentence structure remains the same

Explanation

Bala's mother asked Bala if he would lock the door.

This is the correct way to report the original direct speech sentence in indirect speech.

When converting direct speech to indirect speech:

• The question becomes a statement
• The pronoun "you" becomes "he"
• The verb tense remains the same (would)

Explanation

She wanted to know what I was doing there.

This is the correct way to report the original direct speech sentence in indirect speech.

When converting direct speech to indirect speech:

• The question becomes a statement
• The pronoun "you" becomes "I"
• The verb tense changes to the past simple ("are" becomes "was")

Explanation

The instructor asked Ronny if he was ready for the race.

This is the correct way to report the original direct speech sentence in indirect speech.

When converting direct speech to indirect speech:

• The question becomes a statement
• The pronoun "you" becomes "he"
• The verb tense changes to the past simple ("are" becomes "was")