- 問題詳情: Ifthenewsafetysystem_______touse,theaccidentwouldneverhavehappened. A.hadbeenput B.wereput C.shouldbeput D.wouldbeput【回答】【*】A知識點:虛擬語氣與情態動詞題型:選擇題...
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- 問題詳情:Ifthenewsafetysystem_______touse,theaccidentwouldneverhavehappened.A.hadbeenput B.wereput C.shouldbeput D.wouldbeput【回答】A 【詳解】考查虛擬語氣。句意:如果這個新的安全系統被投入使用過的話,這個事故...
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