sentences:  He then selected Zakariya to assist him in writing "Badhl al-Majhud", a commentary on "Sunan Abi Dawud".After completing his academic studies, Muhammad Zakariya was appointed as a teacher at Mazahir Uloom on 1 Muharram 1335 AH (c. 29 October 1916).At the age of 18, he was one of the youngest members of the staff.