精选优质文档-倾情为你奉上1I _ in the mountains this weekend.AwentBam going to hikeCgoDam going hiking2I studied for the test last Sunday. So _ I.Adid BdoCamDwas3The mother told her little son that the earth _ around the sun.Awas movingBmovedCmoveDmoves4The girl is warm-hearted. She _ others.Aalways help Bwas always helpingChelps