【論点19：強調構文】

① It is I that am responsible for that. ② They believed that it was freedom that they fought for. ③ It is a delight in rhythm that makes us like to dance or march or keep time with music in any other way. ④ It is not how much a man may know, that is of importance, but the end for which he knows it. ⑤ Albert Einstein changed the world we live in. It was he who fathered, for better or for worse, the atomic age. ⑥ There is neither good nor bad in any scientific discovery; it is use to which it is put which makes it beneficial or dangerous. ⑦ It was because she was ill (that) we decided to return.