---The window is dirty. ---I know. It for weeks——青夏教育精英家教网—

摘要：---The window is dirty. ---I know. It for weeks

网址：http://m.1010jiajiao.com/timu3_id_2852099[举报]

---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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