lecture, the professor told his students how to write an ______ of a graduate paper, expressing the main argument.

What ____ news!—Yes, all of the children were ____.

There’s no doubt2013will bring more change when the world economy is still unclear.

The owner of the pub was________of adding water to the beer. As a result, he got fined.[ ]

选择下列单词中划线部分发音与其他三个不同的选项。