Of the two brothers, Bill is ____ younger one, and he is a quiet boy, ____ the most adults like very much.
He regards that book _____ one of the worst that he’s _____ read.
We’re so busy that no one in the office can _____ for any other work.
The president _____ a cool reception when he visited London.
“Are you satisfied with his answer?” “Not at all. It couldn’t have been ____.”
In my apartment there are two rooms, _____ is used as a living room.