Thesongissobeautifulthatitisnot

问题详情：

The song is so beautiful that it is not________.

A．easy to forget                                     B．easy to be forgotten

C．forget easily                                        D．easily to forget

【回答】

【*】　A

形容词作其表语，用主动形式。

知识点：固定句型

题型：选择题