1 . 根据句意，选择单词或短语并以其适当形式填空。

until; be confirmed as; succeed to; failure; refer to; focus on; in search of; up to; risked; make an attempt

1. She moved to London ________ fame and fortune.
2. He ________ captain for the rest of the season.
3. He had to ________ the business when his father passed away.
4. It is best to ________ your future and leave this sad thing in the past.
5. He ________to pass the exam but it was too difficult.
6. ________ is the mother of success.
7. He ________ his life to save her.
8. If you don't know the spelling of a word, you should ________ a dictionary.
9. It's ________ him whether to clean the classroom.
10. I did not realize the importance of teamwork ________ I became monitor of our class.