Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
Though she is getting on in years，she still has a （ ） fear of the dark. (child)
【正确答案】：CHILDISH
【题目解析】：
根据前文a和后面的fear说明空格处应该填形容词，child的形容词为childish天真的，且符合题意。句意：虽然她已经长大，但她仍然对黑暗有一种孩子气的恐惧。