Nobody has any idea that how long it will be before the hostages(人质)______.A.are released B.will be releasedC.are to be releasedD.has been released 翻译!
问题描述：
Nobody has any idea that how long it will be before the hostages(人质)______.
A.are released
B.will be released
C.are to be released
D.has been released 翻译!
答