用 already 或 yet1) Havetheytakendowntheoldpictures
No,theyhaven't
2) Mostofushavefinishedourcompositions
3) Hesaidhehadn'tvisitedtheexhibition
用 sinee 或 for1) Wehavelearnedfivelessonsthebeginningofthisterm
2) MrsLiaohasbeeninhospitallastweek
3) Ihavestayedatmyaunt's__twoweeks
用 havegone 或 havebeen1) Wherearetheboystudents
Theytotheschoolfactory
2) Isyourfatherin
No,he_toShenzhen
heevertherebeforeYes,hethereseveraltimes3) HeaskedmeifI__toHangzhoubefore
ItoldhimthatIwantedtogothereforavisitasInever_tothatcitybefore
_____________Mothermeanewcoatyesterday
Itfitsmewell
hadmade
havetriedB
havetriedC
hasmade
triedD
tried2“Hetodrawhorsesalready"
“Whenhe
"“Lastyear“A
learned
learned
haslearned
haslearned
Tomupintothetr