帮忙解决下几个英语改错题

题目

帮忙解决下几个英语改错题
He is hard to work
I remember to have met you
Keep your mouth shut and your eyes opened
My grandmother is more living than a lot of young people
Both my strength and money gave off

答案

He is hard on work.I remember having met you.Keep your mouth shut and your eyes open.My grandmother is more lively than a lot of young people.The last sentence I've got no perfect phrase for it……