Select the correct passive form of the given sentence.

Please make a cup of coffee for me.

Let a cup of coffee be made for me.

The correct passive form of the sentence "Please make a cup of coffee for me" is Let a cup of coffee be made for me.

The other options are incorrect because:

• Can you please make a cup of coffee for me? is in the active voice, not the passive voice.
• I request you to make a cup of coffee for me. is in the active voice, not the passive voice.
• A cup of coffee can be made for me by you. uses the active voice, not the passive voice.