考古題0010 Structure #30

[epoch]

30. The sounds used in human languages to create meaning consist of small variation in air pressure can be sensed by the ear.

答案是C 請問要如何修改呢 謝謝!

[ivygirl]

The sounds (s.)(used in human languages to create meaning)(這是分辭構句) consist of (v.)small variation in air pressure can be (v.)sensed by the ear.

一個句子不能有2個動詞
所以應該改成pressure which can be....