Sister Lotus came back home yesterday, ________, she was gone for years.

On Jan. 24 , 2012 ,Shen Zhou VIII returned to ____ earth from____ space successfully.

.UNESO is an international organization ,which _____ United Nations Educational, Scientific and Cultural Organization.

_____ food is hard to find, few birds remain throughout the year.

When the old man recalled the old hard times, he always said, “ It was the first time that I ____ a full meal. I remembered it forever.”

He is very angry because the bag _____ on the net a month ago hasn't arrived yet.

The old couple don't want to _______ their son and still live in the countryside although their son urged them to move to the city and live with his family several times.

---I have passed the popular election of the Olympics Maths Competition.

---______.You are always excellent in maths.

She always looks sad, _____ makes people feel sorry for her.

Although the price of the gas ______, many people still plan to buy private cars.