初二句子汉译英,求英语大神帮忙,(请注意使用初二学生懂的语法),不胜感激!

你好,分别翻译如下：The teacher warns us not to cheat in the exam。 It is not so possible to move away the mountain。 The couple have no kids 。 Why didn`t the foolish old man choose to build a road but to move away the mountain? I improve my voice so that I can make myself heard。 He will be a real man unless he hides his tail。 It is such a difficult problem that we all can`t solve。满意请采纳,谢谢!