Although the living standards of Chinese people have greatly improved, most poor families in China spend 50% of their income on food.
Take your time--it’s just short distance from here to restaurant.
We found the ruins ____.
Do you know ____Rome wasn’t built in a day means?
Huge trees on the green land were cut down, ____ the city being buried by sand.
Loulan is believed ____ by sandstorms from AD 200 to AD 400.