词性转换：we must understand the language whenever we hear it____

词性转换：we must understand the language whenever we hear it____ Firstly,we must understand the language when we hear ( ) spo when we hear the fire alarm,we must leave the room to the s什 英语翻译To understand rock 'n' roll,therefore,we must understand we must harness it whenever possible as conventional fuels w we must clean the classroom every day同义句转换 We must purify the we must call the 六年级英语词性转换Train _______(we)hard,and we'll win the football ga 写了一句话：We must understand what the teacher said that said eve I often hear her sing in the next room.We must repair the co we must get up early ,or we will miss the first bus.（同义句转换）