Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
She tried not to show （ ） in her treatment of the children in her care.(prefer)
【正确答案】：PREFERENCE
【题目解析】：
根据前文show动词，后文in her treatment，可知空格处应该填名词，prefer的名词形式为preference，且符合句意。句意：她在照顾所照看的孩子时，尽量不表现出对孩子的偏爱。