The United Nations has done a lot for the peace of the world since it was in 1945.

This is _______pen.. _______ pen is nice

I’m surprised more and more people________participate in the morning exercises in the plaza now.—Morning is a time of day.

_______ people in the world are sending information bye-mail every day.

After the 2008 Olympic Games, more and more people in Western countries begin to learn Chinese_____ they can better understand the culture of China.– I’m sure they will.