The program ______ to raise funds for farmers in the west of China proves to be an effective approach to solving the problem of poverty.空格处为什么填meant, 不能填meaning?
He did very badly on the exam. He ___harder.A.must study B.must have studied C.should study D.should have studied本题答案选D,AC为什么错误呢,不能表示之后他必须或者应该好好学习吗?肯请老师解答,感谢!
If it had contented our pristine ancestors to dwell in caves or to lead
their nomadic life, they would have remained some mere vagabond creatures.老师字典短语是lead a ...life,为什么lead their life这种形式也存在,不用复数嘛?
文士们通过书写来管理伟大的帝国,他们关于记录和检索信息的知识对管理复杂的社会是必不可少的。Scribes administered great empires by writing, their knowledge of recording and retrieving information essential to governing complex societies. 老师,我的疑...