【求高手解答现在完成时练习2.用since和for填空1)______twoyears2)_______twoyearsago3)_______lastmonth4)______19995)_______yesterday6)_______4o’clock7)______4hours8)_______anhourago9)______wewerechildren10】

　　求高手解答现在完成时练习

　　2.用since和for填空

　　1)______twoyears2)_______twoyearsago3)_______lastmonth

　　4)______19995)_______yesterday6)_______4o’clock

　　7)______4hours8)_______anhourago9)______wewerechildren

　　10)_____lunchtime11)______shelefthere

　　1.HehaslivedinNanjing________theyearbeforelast.

　　2.I’veknownhim__________wewerechildren.

　　3.OurteacherhasstudiedJapanese_________threeyears.

　　4.Shehasbeenawayfromthecity___________abouttenyears.

　　5.It’sabouttenyears__________sheleftthecity.