—Where is Mr Green now ? I haven’t seen him for a few days .—He _____ to Hong Kong .
He decided to work __________ than last year.
You are never ________ old _________ dream a new dream.
The meat smells _________. You’d better throw it away.
Although the teacher had told Bob the history of telephone, Bob didn’t know when ____.
What happened _______ Jim? He looks really upset.