i often hear this song_(sing),but i have never hear her(sing) it. 下面还有Listen!you can hear her it now.这三个空怎么填,讲一下为什么

分类: 作业答案 • 2021-12-20 03:14:13

问题描述：

i often hear this song_____(sing),but i have never hear her____(sing) it. 下面还有
Listen!you can hear her____ it now.这三个空怎么填,讲一下为什么

答

sung被动,sing主动,且表示频率,singing主动,且表示正在发生

i often hear this song_____(sing),but i have never hear her____(sing) it. 下面还有Listen!you can hear her____ it now.这三个空怎么填,讲一下为什么