单词拼写。 1. His illness a_________ for his being absent from work. 2. I climbed into bed and p____ the blanket over my head. 3. Darwin's t_____ of evolution(进化)is based on the survival of the fittest. 4. The clouds have b_____ out the sun. 5. You must first s______ their permission before publishing their names. 6. The director told the actors that he would shoot the _______(场景)in the morning. 7. The ( 混合) of the two drinks tastes good. 8. Can't you see the mountains in the ________(远处)? 9. The garden is ______(围绕) by a high wall. 10. They often ______(聊天) online.