I _____ along the pavement yesterday when some stranger came up and asked me the way to the nearest hospital.
There is a big library in our city. There are more than twice ten years ago.
Humans go against nature so environment is getting worse and worse.
—I’m considering to Qingdao by air for my holiday.—Why not try by ship for a change?
The trees by the Japanese visitors are growing well.
—What do you think of our country?—Very beautiful.You know it is the first time that I here.