单选题 Trouble was expected at the football match, so the police had to be there ______.
【正确答案】 D
【答案解析】in plenty意为“很多,过优裕的生活”;in full意为“完全地,全部地”;in number意为“总共,在数字上”;in force意为“大批地,大规模地”。句子的主语是the police,所填之词修饰be there,所以应该选用in force。