—She asked _______.
A:where did I buy the dictionary
B:where I bought the dictionary
C:where do I buy the dictionary
D:where I buy dictionary
——May I put my bag here?——No, you________. You should put it up on the shelf
规范的实验操作是获得试验成功的重要保证.
柑橘的果肉酸甜可口,其酸甜的物质主要储存在细胞的( )里.