只有It 才能做形式主语?答:It is a surprise that you gave such an answer to the question. 你对这个问题作了这样的回答,令人吃惊。⒉It is +形容词+从句: 这样的形容词有natural,true,strange,necessary,important,obvious(很明显),certain,wonderful,funny,possible,likely,probable等。例如:It is certain that free medical care will...