Điền từ còn thiếu vào chỗ trống
I.My brother is a(1).....mechanic.He(2)......machines in a factory.He(3)....five days a week.He often works in(4).....,sometimes in the morning and sometimes in the afternoon.He onlyhass a(5).....off a weeek.When he has(6)....time,he often plays badminton.