Question

change the voices ......

Answer 1

all the furniture should be dusted.
you should plant and water the seeds.
you are requested to hoist the flag.

Answer 2

All the sentences are converted from ACTIVE VOICE to PASSIVE VOICE

1. Let all the furniture be dusted .

2.  Let the seeds be planted and watered by you .

{ or } the seeds are to be planted and watered by you .

3. please, let the flag be hoisted by you