21. ( )evidence that language-acquiring ability must be stimulated.(本题1.0分)
A、 If being
B、 It is
C、 There is
D、 There being

答案是:

标准答案:C
出自  青书学堂  >  漯河职业技术学院大学英语1(高起专)

更多答案联系客服:19139051760
本题添加时间:2023/4/3 12:59:00