These papers___yet.

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/12 10:10:30

These papers___yet.
A.have not written B.have not been written
C.has not written D.has not been written
选哪个?为什么?怎么还papers了呢

paper是可属名次所以可以加S咯,这句话是考察被动语态的运用.所以yet又是现在完成时的标志所以是选B

These papers___yet. phase these Are these these or 翻译 these what are these ? These are ( )? these day还是these days these are his shoes.( )are these ()? these girls are my cousins. -------these girls These days 中 these 作什么句子成分? at these words和with these These are her books.These books are