Many social scientists lament the trend A( toward) shorter attention spans in B(our society) that C(have led) to what D(they) call a sound-bite culture E(no error)答案说没错,但我当时选了A,trend不是可数名词吗?那为什么toward不加s?

问题描述:

Many social scientists lament the trend A( toward) shorter attention spans in B(our society) that C(have led) to what D(they) call a sound-bite culture E(no error)答案说没错,但我当时选了A,trend不是可数名词吗?那为什么toward不加s?