VOA is the first channel to provide 24－hour television news coverage and the first all

What is the purpose of the "Green Movement"？A．To make full use of the metals left.B．To pro

Which of the following statement is INCORRECT according to the news？A．The agricultural pro

The groundwater system is similar to a river system. Therefore, instead of having channel

Which is not true according to the video？A.Sprint Planning should be decided by the pro

Our country is trying to ________ the serious pro

The purpose of the three advertisements is to pro