As a businessman, Mr. Green is a complete failure. Being lazy may well be one of the______to his success.
The life he is now used _____ quite different from ours.
He has changed a lot. He _______ not what he _______.
“When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
“Shall Mary come and play computer games?” “No, _______ she has finished her homework.”
The man you referred to _____ just now.