Unit1Lesson2Let’sPractice习题1一、用适当的介词填空。例如：atschool1.__Mars2.__aspaceship3.__space4.__themoon二、翻译下列句子。1.Wherewereyoulastmonth?_______________________________________________________2.ItwascoldonMars._______________________________________________________3.Wewereinaspaceship._______________________________________________________4.TherewerenotreesonMars._______________________________________________________
