问题补充:
单选题Itisdangeroustoallowthechildrenwhoare________swimmingintheriver.A.enough old to goB.not old enough to goC.not enough old to goD.not old enough going
答案:
B解析考查enough的位置。首先否定词not应跟在be动词后面,故排除A;enough修饰形容词应放在形容词的后面,故排除C;enough to足够…以至于…,不定式做结果状语。故选B。