解析：由is和for weeks可知，要用現在完成時態，排除B和C;又因It (The window) 與clean是被動關系，要用被動語態，所以選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. hadn’t been invited D. didn’t invite

　　解析：因為I與invite是被動關系，又因為邀請應當發生在結婚之前，got married是過去，invite就該是過去的過去，所以用過去完成時的被動語態，只有C正確。

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

　　A. has been completed B. has completed

　　C. will have been completed D. will have completed

　　解析：因“by+將來時間”通常與將來完成時連用，所以由by 2006可排除A和B;又因為work與complete是被動關系，所以要被動語態，只有C正確。

　　7. Be careful when you cross this very busy street. If not, you may ______run over by a car.

　　A. have B. get C. become D. turn

　　解析：you與run over是被動關系，選項中只有get才可與過去分詞run構成被動語態，故選B。

相關推薦:初中英語語態知識點：常用時態的被動語態

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