Everybody should take care of __________ physical and mental health.

• Each/each of/anybody/anybody/everyone/no one/one of এদের possessive adjective হিসেবে his/her বসে।
- Everyone should do his / his or her duty.

• One এর Possessive Case one's বসে, his বা her বসে না।
- One should do one's duty.

• সুতরাং, নিয়মানুযায়ী সঠিক উত্তর - his/her.
- Complete sentence: Everybody should take care of his/her physical and mental health.