题目内容
(请给出正确答案)
[主观题]
When the writer says "critical period" , he means a period whenA.studies produ
When the writer says "critical period" , he means a period when
A.studies produce useful results
B.adults need to be taught like children
C.language learning takes place effectively
D.immigrants want to learn another language
提问人:网友zhenghua809
发布时间:2022-01-06