as a child,Harriet had to work very hard...为什么不能用being a chi

it's (a hard job)to look after a garden.为什么不能用a hard work _____ a child, he worked hard. A . as B. being 选那个为什么 ____ they could do was to work hard.为什么不能用that?A.all B.all t It is not a good idea for children to have to work hard. Chi child as he is,he is very brave.为什么不是as a child As for a student,we are s____ to work hard. it's hard (to find) a job,为什么不能用to look for/to find out It is a hard work to discipline a child.请问这句话怎么翻译? don't force him to work so hard._____he is only a child. 有语法错误吗My ambition is to become a scientist.As a child,I had ____,he knew a lot.A.Child although he was B.As he was a chi John works very hard but he doesn't work _ Mary.A) as harder