Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
It’s not （ ） to expect a child to understand sarcasm. (reason)
【正确答案】：REASONABLE
【题目解析】：
根据前文，it is··· to expect说明空格处填形容词形式，reason的形容词为reasonable合理的。指望一个孩子理解讽刺是不合理的。