I was so ______ when I used the automatic checkout lane in the supermarket for the first time.(2014年厦门大学考博试题)

单项选择题I was ______ to learn that you are going to spend the summer with your parents in Hong Kong.(2003年西南财经大学考博试题)

单项选择题His wife says that he was more frugal in his youth than later years.(2003年中国人民大学考博试题)