一个英语问题薄冰新编高中英语语法中有一句The novel is difficult to understand.为何不
一个英语问题
薄冰新编高中英语语法中有一句
The novel is difficult to understand.
为何不用 to be understood?
若语法书无误,那 NCE3 Lesson32 中的一句
The most valuable find of all was the ship's log book,parts of which it was still possible to read.
为何句中要用 it
多谢指教……