试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
（unite）A 
effort is always more effective than an isolated complaint.
参考答案
试题解析
effort是名词，需要形容词修饰。
句意：联合行动总是比单个人抱怨更有效。
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
（unite）A effort is always more effective than an isolated complaint.
effort是名词，需要形容词修饰。
句意：联合行动总是比单个人抱怨更有效。