1.the film __ for half an hour.A.bagan B.has been on C.have

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1.the film __ for half an hour.A.bagan B.has been on C.have been in D.have come in 2.the man ___since I came here,A.has left B.has died C.has been dead D.has joined the club 3.we had some problems __the top of the mountain A.to get Bto get to C.getting Dgetting to 4.how long have you __the bike?A.bought B.borrowed C.had D.lent 我选的是BCBC

1、B 现在完成时+时间段,on表示状态进行中,与时间段连用
2、C since+过去时间段=时间段,用延续性动词或状态
3、D have problems(trouble) doing sth
4、C how long问一段时间,应该与延续性动词或状态连用

1.the film __ for half an hour.A.bagan B.has been on C.have The film ____for half an hour.A.has begum B.has been begum C The film has been on for half an hour的同义句 The film has been on for half an hour的同意句 The meeting has been on for half an hour.(划线部分提问,划for half a The film has been on since half an hour ago.（对划线部分since half The film has been on for an hour It ___half an hour ____the the film has been on for over an hour 改为同意句 the film （）over The meeting has been on for half an hour.（改为同义句） The meeting Lucy has been in the phone for half an hour. they walked for.A,an hour B.half a hour C,half an hour 选哪个 e：The film has been on for 1 hour.= The film ____________sin