Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
—I’m leaving on April 30.—So why not come to spend ________ days with me?
—Do you regret paying ten dollars for that book?—No,I would gladly have paid ________.
—Now that you like the house with a garden,why not buy it?—Well,I can’t afford ________ house at present.
Queen Elizabeth Ⅱ is often thought to be the richest woman in the world.________,her personal wealth seems rather small. (2012·安徽,34)
Interest is as________to learning as the ability to understand,even more so.(2012·安徽,23)