1 . The Nobel Prize in literature is awarded ________ (annual) to an author who has produced the most outstanding work in the field of literature. (所给词的适当形式填空)

2 . For the Armstrongs, traveling abroad costs an arm and a leg ________ (annual).   (所给词的适当形式填空)

3 . The company’s license must be reviewed a___________.(根据首字母单词拼写)

4 . If I could obtain a $9,000 scholarship________ (每年)，I would be able to complete any studies. (根据汉语提示单词拼写）