Between 4.5 and 3.8 billion years ago, the earth became so ______ that it was not clear whether the shape would last or not.

___________that he managed to get the information? -Oh,a friend of his helped him.[ ]

She heard a terrible noise,__________ made her hair stand on end

Could I borrow your dictionary? — Yes, of course you _____. [ ]

Why are you going there now?— Why? At least_____ him leaving. [ ]