The letter____ in French is to Li Lei.A.writes B.is written C.written D.writing

问题描述:

The letter____ in French is to Li Lei.A.writes B.is written C.written D.writing

完整句子应该是 :The letter ( which/that was written ) in French is to Li Lei.
此处省略(which/that was),用动词的现在完成时直接修饰名词