【Itrainedyesterday,soIstayedathome【用because改写】MyparentswillgotoAmericaintwoweeks【改用intwoweeks提问】peopleusethermosesforkeepingwaterwarm【改用被动语态】Smiththinkshecandoitwell【改为过去】

　　Itrainedyesterday,soIstayedathome【用because改写】MyparentswillgotoAmericaintwoweeks【改用intwoweeks提问】peopleusethermosesforkeepingwaterwarm【改用被动语态】Smiththinkshecandoitwell【改为过去式】BasketballwasinventedbyaCanadiandoctor【改用主动语态】Hedividedtheplayersintotwoteamsofeleven【改为同义句】Hemightknowanyoneattheparty【改为表示否定推测的句子】