【導(dǎo)讀】Stopataredlight.Goatagreenlight.Goatagreenlight.Stopataredlight.Redmeans“stop”.Greenmeans“go”.Yellowmeans“wait”.Goatagreenlight.Ifthelightisred,youmust___.Ifthelightisyellow,youmust___.Ifthelightisgreen,youmust__.Stopataredlight.Goatagreenlight.Yeah!Bye!