I often hear the little girl ___(cry)in the morning.

问题描述:

I often hear the little girl ___(cry)in the morning.
hear后面要不要加doing? 为什么不填crying??

hear sb.可以与do 或doing 连用.
前者表示经常的习惯性动作,后者表正在发生.
根据题目中的often可知是经常性的.所以用do .