That tree looked as if it ___________ for a long time.A.hasn't wateredB.didn' t waterC.hadn't been wateredD.wash' t watered
That tree looked as if it ___________ for a long time.
A.hasn't watered
B.didn' t water
C.hadn't been watered
D.wash' t watered
B.didn' t water
C.hadn't been watered
D.wash' t watered
参考解析
解析：考查虚拟语气。根据句意“这棵树看起来像是很长时间没浇水了”及主句谓语looked可知，as if引导的从句表示与过去事实相反的情况，所以要用had+过去分词的虚拟形式。注意这里用过去分词的被动形式。故选C。
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