17.He asked me( )English culture.A.aboutB.ofC.forD.on 满分：2 分18.– Are you sure about that?– ( ).A.You needn't worry about thatB.I like the ideaC.Oh,no.I'm afraid of thatD.Oh,yes.I'm absolutely positive 满分：2 分19.– The lecture given by professor Smith was really interesting.– ( ).A.I couldn't agree with you moreB.I'm going to listen to itC.It sounds reasonableD.It didn't last too long 满分：2 分20.He goes to school by bike,and the( )takes half an hour.A.travelB.journeyC.voyageD.trip 满分：2 分21.( )I got a first,I'd stay in university and I'd do a postgraduate research degree.A.AsB.SinceC.WhenD.If 满分：2 分