I often hear her _____ (sing)in the next room last year.

题目

I often hear her _____ (sing)in the next room last year.
为什么不能用singing?

答案

答案应该是sing吧,有last year了,
hear sb doing sth,听到某人正在做某事.
hear sb do 听到某人做某事.
如果用singing 的话全句子的意思就不太对了.
原文应该是’我去年经常听到她在隔壁唱歌‘
singing表示正进行,也就是在翻译里面举要加个 ——正在.你说加哪儿?