问题标题：
1.Themanhas___lonelysincehiswifeleft.AbeenBgotCbecomeDturned2.Thrlightisoff.Mrwang_____beintheoffice,AmustBmustn'tCcanDcan't3.____apleasantlifewearehavinginthecentury.AwhatBwhataChowDhowa请帮我
问题描述：
1.Themanhas___lonelysincehiswifeleft.AbeenBgotCbecomeDturned
2.Thrlightisoff.Mrwang_____beintheoffice,
AmustBmustn'tCcanDcan't
3.____apleasantlifewearehavinginthecentury.
AwhatBwhataChowDhowa
请帮我讲解一下.
古德生回答：
1.选A,hasbeen+形容词,表示某一种状态已经持续一段时间
2.选D,can'tbe表示不可能,这句话意思是：灯已经关了,王先生不可能在办公室里.
3.选A,这是一个感叹句.whata/an.多么...的.啊
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