八下单词拼写练习U91. A c_ is a piece of equipment used for taking photographs.2. A similar event happened years ago. Its true that history sometimes seems to repeat i_.3. Amy made such r_ progress that her teacher praised her in front of the whole class. 4. Are you going to the zoo tomorrow? It depends on w _ it rains or not.5. As the old saying goes practice makes p_, it means you finally will do anything well if you stick to do something again and ag