英语学霸进来we have done everything we can yo simply the procedure

英语学霸进来we have done everything we can yo simply the procedure 这句话错在哪儿了?we have done everything which can be done we have done our we have done ___ We should do everything we can (orotect) the environment. We should do everything we can ________ people pollution the we can use less water simply( ) cutting down the time we tak We______ have proved great advanturers,but we have done the 英语When everything has become the past,can only say that we c Treasure everything we have nowTreasure everything we have n have we covered everything是什么意思 We should devote everything we have.