Question

—Where are the papers for the Smith project?

—They are in the folder ________ “S”．

A．marking B．marked

C．to be marked D．to mark

 

Answer 1

B

【解析】答案：B　考查非谓语动词。句意为：——史密斯工程需要用到的那些文件放到哪里了？——它们被放在标有“S”标记的文件夹里。folder和mark之间是动宾关系，所以要用过去分词形式marked。故答案选B。