题目

With their reputation ______in the milk powder incident, the food companies need ______ their image.A. ruining, improving                               B. ruined, to improveC. to ruin, to be improved                        D. to be ruined, being improved 答案：B解析：考查非谓语动词。第一空是独立主格结构，动词与前面的名词是动宾关系，用过去分词，表示在奶粉事件中这些公司“名声扫地”，第二空用sb need to do sth结构表示某人需要做某事，而不是sth need doing/to be done。 If you have a toothache, you should go to see a______. A．policeman B．teacher C．nurse D．dentist