What will come in place of the question mark (?) in the

Prabal has sent the email.

Select the correct active form of the given sentence.

Let this letter be posted at once.

Select the option that expresses the following sentence in passive voice-

The teacher explains the lesson clearly.

Do you imitate others?

In the sentence, "Despite his hard work, he failed the exam," what is the function of the word "Despite"?

Select the correct active form of the given sentence.

The books should have been placed on their proper shelves.

The nomads’ tents were

Choose the option that is the active form of the sentence.

By whom was this poem written?

Select the correct passive form of the given sentence.

Light a candle in the memory of the brave martyrs.