Mr. Green stood up in defence of the 16-year-old boy, saying that he was not the one ______ .
____________ his returning, he will clean the room and wash clothes.
The old man has two sons, ____________ are working in the supermarket.
All her time ____________ her students, so she has no time for housework.
With all teeth ____________, my grandfather has few choices on his diet.
A job in acting is becoming increasingly ____________ to young people.