Teachers recommend parents their children under 12 to ride bicycles to school for safety.
You’d better report the accident immediately to ______ is in charge of the project.
Johnson suggested that the problem worth paying attention to ______ at the meeting.
Nothing else ______ more important than water in the place like a desert.
______ these pictures, I couldn't help thinking of those days when I was in Beijing and ______ from the top of a thirty-storeyed building, Beijing looks more beautiful.
You misunderstood me yesterday, Mary. I wasn’t ______ you when I blamed someone for the accident.