I. Fill in the blanks with the right forms of the words given.

1. It was her hard work and great ___________ (determine) that made her what she is today.

2. A man was seriously _________ (injure) in the accident and died several days later.

3. Although you study it every day, it can take years _________ (master) a language.

4. Lucy is in a confused state of mind for her ________ (fail) to pass the examination.

5. Taking her hand in his, he swept her _________ (graceful) into dance.