1.A child as he is,he konws a lot of things.
2.The fook and knife are used to eat meat in some countries.
3.Two thirds of the earth are covered with water.
4.The twins are heading to ShangHai.
5.When and Where to build a factory are not decided yet.
1.把as提前,As he is a child,he...
第5个的话when and where to build a factory has not been decided yet.不确定单复数