People must drink ( ) water.A.boiled B.boil C.boiling D.to boil
问题描述：
People must drink ( ) water.A.boiled B.boil C.boiling D.to boil
答
A
答
A.boiled过去分词作为water的定语,表示被动和完成的意义,因为水是被煮开的.
而 boiling是现在分词,表示主动和进行的意义,故错误.