单项选择题 I ______ that you and Jim and Bill have all finished this work.

单项选择题 It is impossible to say how it will take place, because it will happen and it will not be a long process.

单项选择题 The view from the 23rd floor of the sleek tower on Barcelona's Avenida Diagonal ______ opaquely as summer smog oozes across the Olympic landscape below.