请问he found his house in a mess and he didn't know what to do

请问he found his house in a mess and he didn't know what to do He didn't know what to do next.He didn't know what he ____ _ He didn't know ____when the house caught fire.A how to do it his wallet ___________,he didn't know what to do next. He didn"t know what to do the next day he didn't know what to do .反义文句 he didn't know_____ when the house caught fire.A.what to do He stood there still and didn't know _to do next.A.what B.ho 同义句：1.He didn't know what he should do after his business fa He still didn't know what he would do next His friend didn't know what he should do改同义句 改错：He didn't moved to his new house.