for和since区别练习题

用since和for填空

1.______twoyears

2._______twoyearsago

3._______lastmonth

4.______1999

5._______yesterday

6._______4o’clock

7.______4hours

8._______anhourago

9._______wewerechildren

shelefthere

11)Wehavelearnedfivelessons（）thebeginningofthisterm.

12)MrsLiaohasbeeninhospital（）lastweek.

13)Ihavestayedatmyaunt’s（）twoweeks.

14).HehaslivedinNanjing________theyearbeforelast.

15).I’veknownhim__________wewerechildren.

16).OurteacherhasstudiedJapanese_________threeyears.

17).Shehasbeenawayfromthecity___________abouttenyears.

18).It’sabouttenyears__________sheleftthecity.