3. With more forests being destroyed, huge quantities of good earth ______each year.

　　A. were washed away B. is being washed away

　　C. are washing away D. are being washed away

　　解析：因good earth(沃土) 与wash away(冲走) 是被动关系，排除C;又因quantities of作主语，谓语动词用复数，排除B;指近阶段(近些年) 正在发生的事，用现在进行时，排除A;故选D。

　　4. The window is dirty. I know. It ______ for weeks.(www.yygrammar.com)

　　A. hasnt cleaned B. didnt clean C. wasnt cleaned D. hasnt been cleaned

　　解析：由is和for weeks可知，要用现在完成时态，排除B和C;又因It (The window) 与clean是被动关系，要用被动语态，所以选D。

　　5. George and Lucy got married last week. Did you go to the wedding?

　　No, I ______. Did they have a big wedding?

　　A. was not invited B. have not been invited

　　C. hadnt been invited D. didnt invite

　　解析：因为I与invite是被动关系，又因为邀请应当发生在结婚之前，got married是过去，invite就该是过去的过去，所以用过去完成时的被动语态，只有C正确。

　　6. The mayor of Beijing says that all construction work for the Beijing Olympics _____ by 2006.

【初中英语被动语态知识点详解：被动语态的五个重要考点】相关文章：

★ 初中英语被动语态知识点详解：何时使用被动语态

★ 初中英语时态知识点：初中英语一般过去时的应用

★ 初中英语被动语态知识点详解：“get＋过去分词”表被动的用法

★ 初中英语被动语态知识点详解：使用被动语态“六注意”

★ 初中英语语法：get＋过去分词

★ 初中英语语法：动词的不规则变化

★ 中考英语被动语态专项复习课件

★ 中考英语动词语态讲解与练习

★ 初中英语时态知识点详解：一般过去时表现在

★ 初中英语被动语态知识点详解：不用于被动语态的情形