Many English teacher can't understand what is it that prevents st_英语解答

Many English teacher can't understand what is it that prevents students from ...
Many English teacher can't understand what it is .到底是what it is 还是what is it这里?

人气：355 ℃　时间：2019-08-21 21:18:00

解答

是what it is.宾语从句后的特殊疑问句,疑问词不变,句中变肯定句.