阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
It’s well-known that March 12th is China’s annual National Tree Planting Day. 【小题1】 this day, people throughout China, will take spades (铲子) and buckets (桶) as well as young trees, and go out 【小题2】 (green) their hometowns.
As a matter of fact, China’s Tree Planting Day could date back to a proposal 【小题3】 (make) by Sun Yat-sen (1866-1925) and QingMing Festival (April 5th) was adopted (采纳) as Tree Planting Day then. However, April 5th was a late time for tree-planting in Southern China, so it was changed to March 12th in honour of SunYat-sen, 【小题4】 passed away on March 12th.
In February 1979, the 5th National People’s Congress of People’s Republic of China 【小题5】 (announce) that March 12th would be taken as Tree Planting Day, requiring the whole country to carry out tree planting 【小题6】 (activity) on March 12th.
In recent years, the tradition of tree-planting in the spring 【小题7】 (observe) by Chinese people. For those living in the big cities, National Tree Planting Day is 【小题8】 unique moment for city skipping. It is 【小题9】 (extreme) convenient for people to have access to nature with their family members. After their fieldwork together, they harvest not only better environment but also more 【小题10】 (harmony) family relations as well as enthusiasm for the future.