-The window is dirty. - I know. It for weeks. A. hasn’t cleaned B. didn’t clean C. was——青夏教育精英家教网—

摘要： -The window is dirty. - I know. It for weeks. A. hasn’t cleaned B. didn’t clean C. wasn’t cleaned D. hasn’t been cleaned

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---The window is dirty.

---I know. It 　　　for weeks.

　 A. hasn’t cleaned　 B. didn’t clean　　 C. wasn’t cleaned　 D. hasn’t been cleaned

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