试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
（adequate）If that price is too low, he says, it will not 
cover the expense of fuel, fertilizer, and equipment.
参考答案
试题解析
此处缺少副词。
cover是动词，句子主干不缺少成分。副词修饰动词，所以变adequate为其副词adequately。
句意：他说，如果这个价格太低，它将不足以支付燃料、化肥和设备的费用。