Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
When a person comes to a new environment, he must have a stage of （ ）. (adjust)
【正确答案】：ADJUSTMENT
【题目解析】：
根据前文of说明后面应该填名词的形式，adjust的名词形式为adjustment调整，适应，且符合句意。句意：当一个人来到一个新的环境时，他必须有一个适应的阶段。