单项选择题
A．would be completed
B．must be completed
C．had to be completed
D．be completed
单项选择题 No thing fuels cynicism for watching two titanic institutions squabble over their reputations（）.
单项选择题 No such weapons were used and none been found（）.
单项选择题 In his speech at the conference, the Chairman solemnly stated that the responsibility to our lives and the kind of world in that we live is ours andours alone（）.