题目

It’s not _________ good idea to drive for four hours without _________ break. A. a; a          B. the; a      C. the; the                     D. a; the 答案：A   解析: 开车好几个小时没有一个一次休息不是一个好主意，所以从意义上都是单数，而且是可数名词，所以都用不定冠词a.——How much vinegar did you put in the soup?——I’m sorry to say, ____. I forget.A．noB．no oneC．nothingD．none