It takes more time to go there by train than by bus. It’s by plane of the three.
You’d better _________ go there ________ the heavy rain.
His mother _____ him when he won the Olympic gold medal in Beijing .
―What do you think of the song ? ―_________ .
Mike isAmerican boy .He studies inuniversity in Lanzhou.
If you don’t know the answer to something, you say: “______”