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        1. The lamb _________already. It_ __________for 2 days.
          A.has died , has been deadB.died, has been dead
          C.has been dead, diedD.died , has died
          A
          在現(xiàn)在完成時中,要用延續(xù)性動詞,與for+一段時間,die是短暫性動詞,必須用be +形容詞狀態(tài)表示延續(xù)性,短暫性動詞不能與for+一段時間連用,故選A
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