As we know the most important _________ of television companies is profit.

The survival of civilization as we know it is ___

The survival of civilization as we know it is ____

（As) we all know Taiwan is （to) the east of Hongkong and （on) the （southeast) of China.A．A

As we know, the Chinese mainland adopts the simplified Chinese character system, while Tai

As we all know, the Internet today is reaching the peak of popularity. But recently, there

The sense of sound is one of our most important means of knowing what is going on around u