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1、and◇“和”，连接两个名词，代词或两个形容词等语法作用相同的词语。但否定句中用or。但如果前后名词都用no修饰，则可以用and。Theairwassowarmandbright.Ithasnofeetorlegs.Ithasnoeyesandnoears.Ihavenosisterorbrother.◇“然后”。用于连接两句有时间上先后的句子。Shewashedthedishesanddriedthem.◇表示目的，意图。用于go,come,stop,run,stay等动词后。Comeandhaveadrink.Goandbuyone.◇“只要……就会……”
2、“如果……那么……”，用于祈使句后，表示条件与结果的关系。Knockonthedoor,anditwillbeopened.Comelateagain,andyou’llbefired.but◇但是，可是，而，却。Heisinpoorhealth,buthestillkeptworking.◇用在表示歉意的话后，引起一个分句，这个but通常不译成汉语。Excuseme,butcanyoutellmehowtogettotherailwaystation?◇不与although/though(“虽然，尽管”)连用。Thoughheisold,heworkshar
3、d.Heisold,butheworkshard.◇作介词，表示“除了……之外”。ShedidnothingbutwatchTV.or◇“一般疑问句+or+被选择的部分”构成选择疑问句。Doyoulikeapplesorpears?Wouldyouliketeaorcoffee?◇“祈使句+or+陈述句”，表示“……，否则，……”Hurryup,oryouwillbelate.Workhard,oryoucannotpassthisexam.◇“和”，否定句中代替and。Idon’tlikebananasorpears.◇or连接并列主语时，谓语动词的人称要与
4、最后的那个主语保持一致。Eitheryouorheisright.要么你要么他是对的。◇orso大约，左右I’llbethereinanhourorso.同步练习：1.Hurryup,_________you’llbelateforschool.2.Who’stheyoungest,Rose,Helen________Betty?3.Workhard,______youwillsucceed.4.Excuseme,_______couldyoutellmethewaytothepostoffice?5.I’llseeyoueitheronMonday_____
5、__onTuesday.6.Putyourcoaton______you’llbecold.7.I’msorry,_______couldyourepeatthat,please?8.Thereisnoonehere______me.9.Shecandoanything_______sing.10.Theskyisblue________everythingisbeautiful.11.Wewereverytired_______wewereveryhappy.12.Heneversmokes________drinks.13.Thereisnoair____
6、__wateronthemoon.14.Yourclassroomisclean_______tidy.15.Myhouseissmall_______lovely.16.LucyworkedhardatEnglish______shecamefirstintheEnglishexam.17.Itishottoday,______someboysarestillplayingbasketballoutside.18.Peoplecan’tlivewithoutair_____water.19.TheSummerPalaceislarge_______beaut
7、iful.20.Helookstallandstrong______heisafraidtogooutatnight.21.Wehadnowater______foodatthattime.22.Hurryup!______wewillbelate!23.Comeon!_______youwillwinthematch.24.Becareful!_______youwillhurtyourself!25.Heusuallygoestoschoolbybus______bybike.江苏13城市中考试题汇编：()1.Wedidn'tenjoythepicnic_
8、______therewasasudd
