（adequate）　 If that price is too low, he says, it will not _____

（adequate）　 If that price is too low, he says, it will not __________cover the expense of fuel, fertilizer, and equipment.
【正确答案】：adequately
【题目解析】：构词知识题。空格处前面是否定副词，后面是动词，显然空格处要填一个副词。adequate是形容词，变为副词需要添加副词后缀-ly。因此正确答案是adequately，表示“充分地，足够地”。