Select the correct passive form of the given sentence.
These days, most housewives do their house chores with the help of electrical and electronic machines.
1
These days, most housewives are doing their house chores with the help of electrical and electronic machines.
2
These days, most of the house chores are done with the help of electrical and electronic machines by housewives.
3
These days, house chores are being done with the help of electrical and electronic machines by most housewives.
4
These days, house chores are done with the help of electrical and electronic machines by most housewives.