the air.......... is the biggest problem in big cities(pollute)
1. road/ short/ enough/ us/ have/ walk.
2. I/ not see/ James/ since/ we/ leave/ scholl
3. Alexander Graham Bell/ bear/ Scotland/ March 3 rd 1847
4. My uncle/ often/ spend/ spare time/ do volunteer work/ local orphanage.
5. you/ mind/ open/ windown?
6. Language learners/ try/ diffrent/ ways/ learn/ words/ so as/ find out/ best way/ themselves/./
7. I/ prefer/ live/ country/ live/ city
8. We/ going/ plant/ flowers/parks/ water/ afternoon/ class/./
1. transport/ Ari/ faster/ other/ kinds/ travel/any/is/than/of/./
2. from/ we/ what/ do/ throwing/ people/ cans/ can/ to/ away/drink/ prevent/?/
3. learn/ heart/ try/ new/ by/ words/ the meaning/ of/ to/./
4. The/ been/ luckily/ I/ but/ meeting/ late/ had/ arrived/ delayed/./
5. dangerous/ the/ and/ canoe/ water/ everyone/ and/ the/ fell/ into/ deep/ overturned/./
6. San Francisco/ did/ the/ where/ Mrs Quyen/ in/ see/ prison/ famous/./
7. sister/ and/ my/ I/ like/ would/ parents/ you/ meet/ to/my/./