试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
（grow）The government is trying to control population
.
参考答案
试题解析
此处缺少名词。
control后应接名词，population是名词。根据所给提示词grow可知此处可填growth，与population构成复合名词。所以变grow为名词形式growth。
句意：政府正尽力控制人口增长。