unit1

　　Willtherebelesspollution?No,therewon’t.Therewillbemorepollution.

　　Willtherebefewertrees?Yes,therewill.

　　Kidswon’tgotoschool.

　　Kidswillstudyathomeoncomputers.

　　Fewer:Usefewertotalkaboutcountablenouns.Therewillbefewertrees.

　　Less:Uselesstotalkaboutuncountablenouns.Therewillbelesspollution.

　　Unit2

　　What’swrong?Myclothesareoutofstyle.

　　What’sthematter?Iarguewithmybestfriend.

　　WhatshouldIdo?Youcouldwritehimaletter.

　　Whatshouldhedo?Maybeheshouldsayhe’ssorry.

　　Whatshouldtheydo?Theyshouldtalkabouttheirproblems.

　　Unit3

　　TheboywaswalkingdownthestreetwhentheUFOlanded.

　　Whiletheboywaswalkingdownthestreet,theUFOlanded.

　　Thegirlwasshoppingwhenthealiengotout.

　　Whilethegirlwasshopping,thealiengotout.

　　Unit4

　　IammadatMarcia.ShesaidshewasmadatMarcia.

　　IamhavingapartyforLana.ShesaidshewashavingapartyforLana.

　　IgotothebeacheverySaturday.HesaidhewenttothebeacheverySaturday.

　　Iwillcallyoutomorrow.Hetoldmehewouldcallmetomorrowthenextday.

　　Icanspeakthreelanguages.Shesaidshecouldspeakthreelanguages.

　　Unit5

　　IthinkI’llridemybike.Ifyoudoit,you’llbelate.I’ll=Iwill

　　IthinkI’mgoingtostayathome.Ifyoudo,you’llbesorry.You’ll=youwill

　　Unit6

　　Howlonghaveyoubeenskating?I’vebeenskatingsincenineo’clock.forfivehours.

　　Howlongdidyouskate?Iskatedfortwohours.

　　Unit7

　　Wouldyoumindcleaningyourroom?I’msorry.I’lldoitrightaway.

　　Wouldyoumindnotplayingbaseballhere?Sorry,we’llgoandplayinthepark.

　　Wouldyoumindmovingyourcar?No,notatall.

　　Couldyoupleasewashthedishes?Ok,I’lldotheminaminute.

　　Unit8

　　WhatshouldIgetmysister?

　　Whydon’tyougetheracamera?That’stooexpensive.

　　Howaboutsometennisballs?Theyaretoocheap.

　　Whataboutawatch?That’stoopersonal.

　　Whydon’tyoubuyascarf?That’snotinterestingenough.

　　Unit9

　　Haveyoueverbeentoanaquarium?Yes,I’vebeentoanaquarium.No,Ihaven’t.

　　Ihavebeentothezooalotoftimes.Metoo.

　　I’veneverbeentoawaterpark.Meneither.

　　Unit10

　　It’sreallywindytoday,isn’tit?Yes,itis.

　　You’reBen’ssister,aren’tyou?Yes,Iam.

　　TheNo.15busstopshere,doesn’tit?Yes,itdoes.

　　打了好久···