it was ___that both my son and my daughter could`t put it down

问题描述:

it was ___that both my son and my daughter could`t put it down
a such interesting a book
b so interesting a book
c a such interesting book
d so an interesting book 这题选b,不过我好像看到a也可以吧,谁能具体告诉我a的such 为什么不行呢

BA 要改成such an interesting book C 要改成such an interesting bookD 要改成so interesting a book such和so 都有如此,这样的意思.但是so修饰形容词,即:so + 形容词+ a/an + 名词such修饰名词,即:such +(a/an)+...