Question

请大家帮我翻译两句英语，谢谢~！

没有人能不需要别人的帮助就可以处理好一切。（deal with)
直到回到家里他才发现把钥匙忘在办公室里了。（not……until）
用括号里的词语，谢谢啊~！在线等~

Answer 1

Nobody can deal with everything efficiently(well) without others' help.
He didn't find that he had left the key at the office until he got home.

Answer 2

nobody can deal with anything well without others' help. he did not find his keys lefting in the office until he got home

Answer 3

He didn't find back home until the keys in the office