1.  Women are known by the circumspection, patience, and affinity.

2.  At least two of the Prophet Muhammad's wives are known to have ridden camels.

3.  As it is known to us.

4.  It is widely known that books and other reading materials reflect the life of people using that language.

5.  Firstly it is known that the final purpose of learning English is to gain and improve the ability of using English , rather than recognizing the words only .

6.  We never get known of the delight which comes from living together for the whole day.

7.  If it is too easy, the vocabulary in it will be already known.

8.  It's known that Qin Shi Huang, the first emperor who succeeded in conquering the six other rival kingdoms of his time and unifying China, treated people of the six other kingdoms very barbarously.

9.  It's known that wars in the Middle East are endless which result from many complicated boundaries among different groups and races.

10.  It is known that we all had a lot of homework to do when we are in senior school.