1.I have no idea---A that she has come B what she has come C that she comes D when will she come
问题描述：
1.I have no idea---
A that she has come B what she has come C that she comes D when will she come
答
选A 意思是 我不知道她来了后面的从句是idea的同位语,是说明idea的内容B是个错的,意义不对,she has come 是个完整的句子,what是疑问代词是需要做成分的,但是在这个句子中,what无法做成分,所以B错误C错在时态,come 来...