—Yes, of course. It's just a little smaller than the largest one in Fuzhou.
—I think so. He still worked on the research into agriculture(农业)at the age of ____.
— Yes, about two____students in our school watched it.
— ____ .
— Really? I can't believe it. You've been in Harbin for a year.
—Yes, that made the whole world amazed because he was very old at that time.