Replace the underlined words with the correct form of the words and expressions below. You may need to make other changes.用所给单词或词组的正确形式替换下列句子中的划线部分 analogy clarity costume for the sake of potent proclaim 1. Shh! They're about to announce the winner of this year's International Piano Competition. 1) ___________________________ 2. It's quite easy to make a comparison between poetry and music. 2) ____________________ 3. We are amazed by her ability to express herself with great clearness and simplicity . 3) ____________________ 4. How many artists have given up everything for the cause of their art? 4) ____________________ 5. The Internet has emerged as a powerful and effective force in advertising new products. 5) ____________________ 6. I enjoyed the performance, but I thought the clothes the actors were wearing were a bit silly. 6) ____________________