The stone hit the dog A、in the head B、on the head C、in its head D、on its head .

问题描述:

The stone hit the dog A、in the head B、on the head C、in its head D、on its head .

B :on the head固定用法 硬要理解 就是打到头了头不容易凹进去 所以用ON 如果打到脸或打到肚子什么的 会凹进去 就用IN