a report said that the world population was six billion ()th
a report said that the world population was six billion ()th
A UN report said that the world's population would ___ six b
A report says that the world population will pass six billio
the world"s population ( ) more than six billion .is ,has ,a
the world population will past six billion by the end of the
The population of the world is about six billion改为同义句
The population ofthe world is about six billion.(改为同义句)
英语完形填空A UN report says that the world population will pass s
In the year 2000,the word's population was about six billion
When I handed the report to Peter ,he said that David was th
When I handed the report to John, he said that George was th
When I handed the report to Peter, he said that David was th