In my opinion, life in the twenty-first century is much easier than ____.
After ten years of living in a remote village, she is a completely different person from _____ she used to be.
The 2010 World Expo _____ in Shanghai is expected to attract more than 70 million visitors from home and abroad.
The stranger isn’t like a worker, nor _____ a salesman.
_____ the football game will be held on time largely depends on the weather.
– How long _____ in this job? – Since 1990.