Visiting the Great Wall is necessary for visitors form both home and foreign countries______ come to Beijing the first time.
查看答案
We attended the meeting in the school lecture hall last night,____ seats more than 300 students.
It's a given fact that life is hard but whatever difficulties occur, those_____ belief is stronger are more likely to overcome them successfully.
Get yourself familiar with local laws and customs of the countries to ______ you are traveling.
There was a time___ we lived in Beijing.