By the year 2012,the world's population__seven billion,A may

By the year 2012,the world's population__seven billion,A may people say that by the year 2010,( ) may be seven billion. People say that by the year 2010,10 may be seven billion．什么意 the world"s population ( ) more than six billion .is ,has ,a the world population will past six billion by the end of the By 2025,scientists predict the world will have 7.8 billion p By 2025,scientists predict the world will have 7.8billion pe In the year 2000,the word's population was about six billion 有个句子看不明白The $19-billion-a-year company has often been the ta More than 1.3 billion people-over one fifth of the world's p The world‘s population has ______(增长）to 7 billion so far. 英语翻译In2005,the world's population was about 6.5 billion.More