英语必修5外研版module 4同步练习及答案(section iv) ⅰ.语法填空 life is difficult. but life is no longer difficult once we truly understand and accept 1.________. most do not fully see 2.________ truth.instead they complain about their problems and difficulties as if life should be easy.it seems 3.________ them that difficulties represent special kind of suffering especially forced upon them or else upon their families,their class,or even their nation. 4.________ makes life difficult is that the process of facing and solving problems is painful.problems,5.________(depend) on their nature,cause us sadne