The rock（ ）wears away due to the action of the waterA,gradually B,exactly C,loosely D,fluently谁能介绍一下这句话的意思?还有为什么选?

The rock singer has a new l____.He wears glasses and he has long hair now Water dropping day by day wears the hardest rock away.为什么不是water is dropping. The rock gradually wears away due to the action of the water.请问这句怎么翻译 The rock（ ）wears away due to the action of the waterA,gradually B,exactly C,loosely D,fluently谁能介绍一下这句话的意思?还有为什么选? 填空题：The rock singer has a new i____.He wears glasses and he has long hair now. the rock singer has a new l＿＿.He wears glasses and he has long hair now rock the rock the Constant dropping wears the constant ping wears the Constant dropping wears the stone.翻译句子 （注：成语） the rock 说的是什么 the rock口头禅 THE ROCK是誰? THE SHIP H_______A ROCK live under the rock don’t rock the Rock The Boat 歌词