Nobody knows exactly how many years it will be--Chinese foot

Nobody knows exactly how many years it will be--Chinese foot -How long will it be ______ Chinese astronauts set foot on t How far the prices finally will be down here nobody knows fo who knows how long it will be lasted 改错：No one knows how much time it will take Chinese women ast Nobody knows when the project will be completed.Someone has Nobody has any idea that how long it will be before the host No one knows exactly how the earth began,as it happened so l How many people will there be on the earth 100 years from?同义 will it be many years ___ we can live a rich and happy life HOW LONG WILL IT BE? Nobody knows how much I love you.