A burial site in Germany was ________ and Chinese silk was found.
International students celebrate the cultural events and holidays from their __________ cultures every year.
The cultural exchange between China and other countries is more ________ than before.
Only one third of the newly arrived migrants are _______ people. The others are even unable to perform basic tasks like reading a bus timetable.
War and famine have forced people in the region to ________ from their homes to other countries.
Joint efforts by all countries are needed to prevent natural resources from being used up.
While some lost cities were discovered after years of searches, some others were found accidentally.
It took several weeks for Stanley to travel through the continent from west to east.
This river used to be an important transportation route leading into London.
In those days, a trip to the West was a difficult journey given how few means of transportation are available.