大学宿舍杀人事件:It is known that theory is based on practice and in turn serves practice.

it is well-known __ all that China has the largest population of the world. it is well-known __ all that China has the largest population of the world. celine-that is the way it is It is known that theory is based on practice and in turn serves practice. It is provided in the law that... The ___ amount of money was not known though they knew that it was large. The ___ amount of money was not known though they knew that it was large. is it true that for man making love is first ,love the girl is the second . The classroom is so dirty that it needs ______ badly. ·16.It is important that we __ the truth.