ter plays an extremely important role. 在这信息年代, 计算机扮演着非常重要的角色。Р 11. Nothing in the world can delight me so much as ...世界上没有什么比……更令我高兴。Р Nothing in the world can delight me so much as having hamburgers in fast food restaurants. 世界上没有什么比到快餐店吃汉堡包更令我高兴。Р 12. It is necessary/important/proper that S.(should)V. ……是必要的/重要的/适当的。Р It is necessary that we master a foreign language. 我们掌握一门外语是必要的。Р 13. Whenever I ...每当我……, 我就……Р Whenever I think about this, I smile. 每当我想起这些, 我都会笑。Р 14. It is said/ thought /reported/believed (that)...据说/人们认为/据报道/人们相信Р It is believed that health is above wealth. 人们相信健康重于财富。Р 15. The main reason why/for ...is (that) ………的主要原因是……Р The main reason why he failed was that he didn’t work hard. 他失败的主要原因是他不努力。Р 16. To ..., there are at least three things we can do. 要……, 我们至少要做三件事。