Not _______with the high marks in the exam, the determined student aimed high to get full marks next time.
It is no use _____to come now. He is busy.
Charles Babbage is generally considered ______ the first computer.
I was too excited ______ .
"I usually go there by train." "Why not ______ by boat for a change?"
"What do you think of the book?" "Oh. excellent, it's worth _______ a second time."