Nobody has any idea that how long it will be before the host

Nobody has any idea that how long it will be before the host HOW LONG WILL IT BE? It remains not certain how long it will be before human bein It has been announced that it won't be long before our conut How long do you think it will be before another aircraft car until before-- How long will it be __man can find anther pla How long do you think it will be before China sends a manned It will not be long before 和It will be not long before 有什么区别 It will not be long before 和It will be long before It will not be long before that young man __ me again It will be a long time before we have flight that run tempor It will not be long before that young journalist meets me ag