The terror attack at a Kunming railway station in southwest China's Yunnan Province,        29 lives and leaving 143         , has brought condemnation from around the world this week.

I am very busy with urgent things ____ every minute of the day. 

________ at the golden belt of Yangtze River Delta, Ma'anshan is the National Garden city _______ wonderful landscape appeals to many visitors every year.

 The lady was so absorbed in her job that she didn't hear a customer ________ at the door.

________from space, the earth, with water_____seventy percent of its percentage, looks like a “blue ball.”