As they usually receive the same score in standardized examinations there is often disagreement as to ____ is the better student, Bob or Helen.A.which B.who C.whom D.whose
Though _____(suffer) such a heavy loss, the boss didn’t lose the courage to go on with his business.答案是 having suffered过去分词不是表示被动么,主语是 boss 是人,为什么还用过去分词 不用 suffering 呢?另外 还加了个 having 是什么意思呢?
The approximately $20 billion in state and federal revenues from alcohol taxes in 1995 pay for only half the$40 million that alcohol abuse imposes in direct health care costs, much less the costs laid on federal entitlement programs.老师好,请问much less the costs laid on federal entitleme...