,what I am looking forward to is nothing else but_后加动词的什么形式/

问题描述:

,what I am looking forward to is nothing else but_后加动词的什么形式/

加不定式 to do
what I am looking forward to这是主语

加加动词不定式,但是要省略to.

look forward to doing sth

应该是单数

be look forward to doing sth