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        1. Look! The tree is growing well. When______?
          A.was it plantedB.did it plant
          C.will it be plantedD.is it planted[
          A

          試題分析:句意:看!這棵樹的成長的很好。它是什么時候被種植的?從句意中得知是問樹何時種植的,體現(xiàn)了被動語態(tài)的用法,被動語態(tài)的基本構(gòu)成是Be+動詞的過去分詞。本句體現(xiàn)的是過去時態(tài)的被動語態(tài),主語是單數(shù),故be用was,故選A
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