Unit 10 Ive had this bike for three years.一、单选题1. IAnnwithherChineseovertheyears,butshecantspeakitatall.Nevermind,sheistooyoung.A. havehelpedB. helpC. helpingD. helped2. MyparentsShandongfortenyears.A. havebeeninB. havebeentoC. havegonetoD. havebeen3. Imsorry,Lucy.Iyourcomputerforsuchalongtime.Nevermind.A. havebo