the occasional visit, what else does Alan do for his kids?
It is believed that life in the twenty-first century is much easier than ________ .
When _____ Chinese culture with other cultures, we often pay attention only to the differences without noticing the many similarities.
______ of the workers in the computer factory is about two thousand, and ______ of them are women workers.
______Browns usually go to ______ church every Sunday.
It remains ______ whether Jim will be fit enough to play in the finals.