Hiking is _____ great fun. You will get close to ____ nature and take exercise at the same time.

  On seeing ______gift they wanted ，the kids screamed with ______delight.

Have you heard         news that he is ranked ________first in the competition?

—Have you heard of _______ death of Nelson Mandela?
—Yes. It is indeed _______ loss to the world. 

By the end of September 2013，＿＿＿＿．number of netizens in China has hit ＿＿＿record high of 604 million．

Paper money was in_______use in China when Marco Polo visited the country in________thirteenth century.

Animals are obviously _____ lower form of life than _____ man.

With the successful launch of Tiangong-I, which was ______ breakthrough in space field, China's space dream took a step closer to ______ reality.
A. a; /            B. the; a          C. a; the              D the; /

------How about ________Christmas evening party?
-------I should say it was______ success.

For Wang Shun，________ university graduate from China's less developed Guizhou Province，shopping online is ________ delight as she tries to keep pace with the lives of those in big cities.