注意：此页面搜索的是所有试题
题目内容
（河南大学-本科英语）
22[单选题,1.3分] It is ______ for adults to forget how long and hard and dull school is.
A.habitual
B.customary
C.natural
D.conventional
A.habitual
B.customary
C.natural
D.conventional
参考答案