Unit7Happybirthday!ReviewrobotbikecarvandolltrainIsitabike?No,itisn’tabike.It’sacar.Isitadoll.No,itisn’tadoll.It’sabike.Isitarobot?No,itisn’tarobot.It’sadoll.Isitatrian?No,itisn’tatrian.It’savan.Isitadoll?No,itisn’tadoll.It’sarobot.Lesson2AListenreadandsayBListenandcircle.播放DListenandactBWriteLesson3Itisn’tacar.Itisabike.Itisn’tadoll.CWriteItisaninsect.Itisnotanorange.Itisnotabike.Itisarobot.PencilrubberbookSchoolbagrulerPencilcaseDosomeexercise!