1 He looked at me in surprise as if he knew nothing about that.（surprised -> surprise）
2 正确的是：When and where were these photos taken
加油!不明白再问!能说一下第二个改错的原因吗？因为特殊疑问句的结构是：疑问词+一般疑问， 故要把ARE 提到THESE PHOTOS 的前面。要区别它在宾语从句中的语序哦（因为宾语从句的语序是陈述语序，如Do you know when and where these photos were taken ?