单词拼写：根据句意和提示写出所缺单词。 1. The musicians were to play __________ (玩笑) on each other as well as play music. 2. Who will be in __________ of (管理) our class while Mr. Liu is away? 3. After graduating from college, we __________ (最终) got the chance to go abroad. 4. After ten days of hard work, he _________ (成功) in working out the problem at last. 5. I knew it would help us achieve our dream of making black and white people __________ (平等). 6. The house was __________ (埋) under ten feet of snow. 7. Although many Americans move a lot, they still __________ (辨别出) and understand each other's dialects. 8. Yesterday my parents bought me an __________ (电子) dictionary. 9. In relief, Daisy burst into __________ (笑声). 10. We are __________ (关心) about the child's safety.