第22题: [单项选择]Which of the following sentences is INCORRECT A. This pair of trousers costs fifty dollars. B. Either my grandsons or their father is coming. C. The British police has only very limited powers. D. A committee of twelve men is to discuss the matter. 参考答案:C 答案解析:[解析] 主谓搭配题。police作为集体名词,通常用作复数,C中The British police应与have搭配,句中存在主谓不一致错误,故为答案。