why ___a bad idea to ask Amy for advice?A.do you think B.do you think is C.is it D.does it
问题描述：
why ___a bad idea to ask Amy for advice?A.do you think B.do you think is C.is it D.does it
why ___a bad idea to ask Amy for advice?
A.do you think B.do you think is C.is it D.does it
答
选C to不定式需要形式主语