maybe,the world is so ersatz尽量快的回答 着急

By the year 2012,the world's population__seven billion,A may be B maybe C may is D may, In this world maybe everyone just the traveler is just What is the world 's tallest animal? The ___(world,world's)population is about 1700 million. maybe,the world is so ersatz尽量快的回答 着急 .To the world , you maybe a person.But to me you are my world . Who is she? For the whole world,you maybe someone S( )is one of the world's most popular sports Look the whole world is white .it is (s )heavily Antarctica is the world's coldest and the world's driest continent. To the world , you maybe a person ,but to me ,you maybe are world Maybe the change is right maybe the picture is fantastic. 脑筋急转弯：What's the longest wurd is the world? the giant anaconda is the world's largest ______ is the English book yours?No,it()Simon's.A.maybe B.might is 6The world’s population is one of the biggest_________(challenge) of the world today. _____ cat is _____?The girl's cat is.How old is it?Can you guess?Maybe it's one.