英语可数名词和不可数名词问题并附上例子和用法,1.Thenovelisoneofhisbest_______,anditis_______tounderstandit.A.work...ahardworkB.works...ahardwork.C.work...hardworkD.works.hardwork.为什么?8.Themotherasked

　　英语可数名词和不可数名词问题

　　并附上例子和用法,

　　1.Thenovelisoneofhisbest_______,anditis_______tounderstandit.

　　A.work...ahardworkB.works...ahardwork.

　　C.work...hardworkD.works.hardwork.

　　为什么?

　　8.Themotheraskedhersontohelpherbecauseshehad____insendinge-mails.

　　A.somedifficultiesB.manydifficultiesC.adifficultyD.somedifficulty

　　D,为什么?

　　9.Throughtheteachermade_______topersuadeherstudentstochangetheirideaswhenchoosingmajorsintheuniversity,mediaandsocialcircumstanceshad__________ontheirchoices.

　　A.effort...agreateffortB.efforts.greateffects

　　C.aneffort...greateffectD.effort...greateffects

　　为什么?