单词拼写：用所学的单词完成句子意思，单词首字母或中文意思已给出。
F_________ is the mother of success.
They are w_________ to each other; obviously they don’t want to be heard by others.
It has been reported that in the United States that many environment— protecting              (协会) have been formed.
The doctor d_________ three babies every day on average at that time
China’s sending a person into space is a great a_____________.
The bar seemed to him to be full of people and he felt that the people were observing him                .(好奇地)
If you want to learn a foreign language well, you should o__________ many difficulties.
You can e___________ your ideas with your classmates when you’re discussing.
They go into the church,            (打招呼) everyone they meet.
I was filled with              (怒火) when I saw him kicking the dog.