英语翻译翻译:截止到2000年,世界人口已达到60亿.翻译:去北京前,JIM买了很多东西.翻译:新闻记者说警察已把丢失的

1 they had planted 3400 trees since the ending of last month.
2 the populations of the world have became 600 billons by 2000.
3 jim has bought lots of things before he went to shanghai.
4 the reportor said that the police had taken the loet child to his parents.