How many people will come to Beijing for the Olympic Games in 2008? — It’s hard to say. _______ people, I think.
He is not as ______ as his younger brother.
The first thing _____ I should do is to work out a study plan for the next term.
Never _________ your dream. If you keep it on, you’ll achieve it one day.
If we travel a short distance, we should walk _____ taking a bus. Then we’ll be greener people.