—Istheprojectdifficultforthestudents?  —No.Mostofthere...

問題詳情：

 —Is the project difficult for the students?

   —No. Most of the relevant information ______ to them.

   A. has been provided     B. has provided       C. had been provided    D. had provided

【回答】

A

知識點：現在完成時及其被動式

題型：選擇題