U2BLet'slearn课时练一、选出不同类的单词。()1.A.GoB.waitC.stopD.light()2.A.redB.beforeC.yellowD.green()3.A.nowB.downC.upD.at()4.A.busB.taxiC.subwayD.take二、填空题1.It’sgreennow.Youcan________.2.It’s________now.Youmuststop.三、连线题(共2题,共17分)1.读句子,选图片。(______)(1)Goatagreenlight.(______)(2)Slowdownandstopatayellowlight.(______)(3)Stopandwaitataredlight.2.英汉连线。(______)(1)Stopandwait.A.我们走吧!(______)(2)Let’sgo.B.注意交通信号灯!(______)(3)Slowdownandstop!C.停下来并且等待!(______)(4)Payattentiontothetrafficlights!D.减速并且停下来!