试题题干
A rule can be learned before it is internalized, but having learned a rule does not necessarily preclude having to （）it later.
参考答案
正确答案：
试题解析
语言学习者可能在习得某一规则（即，规则在大脑中的内在化）之前，先学习会了这一规则，但是学会一个规则并不意味着一定能习得这个规则。
A rule can be learned before it is internalized, but having learned a rule does not necessarily preclude having to （）it later.
语言学习者可能在习得某一规则（即，规则在大脑中的内在化）之前，先学习会了这一规则，但是学会一个规则并不意味着一定能习得这个规则。