ny successful businessmen believe, courage is as ______ to pioneering work as the intelligence, even more so．

I spent $ 20 for this shirt. How much isyours— I just paid ______.

How do you find the book written by Mo Yan—_______.

Leaves are found on all kinds of trees, but they differ greatly________size and shape.[ ]

_________ you good luck in the new year. — The same to you.