![Ifthenewsafetysystem]( "Ifthenewsafetysystem")
- 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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![Ifthenewsafetysystem]( "Ifthenewsafetysystem")
- 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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中文谷
