— Oh, really? Can Doris read through it in such a short time?— She covered the English novel ______ it took me, still less a simple story．

I’m not sure exactly how much money you’ll receive, but it will ____ cover your major expenses.

—How did you sleep last night?  —Like a log. Never slept ____. 

Bob is ________crazy about Beethoven that he knows all his works well.

He devoted himself _______ to his research and got many achievements.