高中英语完成句子单词拼写

根据课文原文，填入所缺内容。
★ It was not immediately obvious that water was     1   the development of life.
★ This produced ____2____, which made it possible for life to develop.
★ I earned my passage by working as an unpaid hand, which ____3_____.
★ When they crossed the Rocky mountain, they     4   some mountain goats and even a grizzly and an eagle.
★ Many of them _____5_____riding wild horses and can win thousands of dollars.

单句填空（每题1分，共10分）
1. After the exam, my teacher told me that failure ______ (be) the mother of success.
2. There is no such thing ____ a free lunch.
3. There is a __________ (determine) look on his face.
4. ______she made up her mind, nothing can change it.
5. We_____________ (leave) for Japan tomorrow morning.
6. He asked me whether the big flood ___________ (destroy) the area.
7. Years passed before the war was finally at _____end.
8. He tried to work, but it was ________ (use).
9. It was the curtain _______ was full of dust.
10. Geography also plays a part _____ making dialects.