UNIT 1
1.how often2.on weekends3.hardly ever4.wice a week5.three times a week6.surf the Internet7.activity survey8.the results of9.as for10.the results for11.junk food12.want sb. to do sth. 13.be good for14.pretty healthy15.my eating habits16.try to17 get good grades18.study better19.why not20.the same as21.keep in good health

UNIT 2
22.have a stomachache23.have a sore back24.have a cold25. ie down26.hot with honey27.see adentist28.lots of water29.a good idea.a balance of34.to be35.for example36.too much37.much too38.be easy to do39.be important to do40.a balanced diet41.stay healthy42.other healthy foods43.at the moment44.study late45.conversation practice

UNIT 3
46.babysit my sister47.go camping48.go with49.go to Tibet for a week50.go to Tibet in a week51.show sb. sth./show sth. to sb. 52.get back to53.go bike riding54.go sightseeing55.take walks56.go fishing57.rent videos 58.how long59.how far60.vacation plans61.think about62.decide on 63.take vacations in Europe64.something different 65.I heard that… 66.plan to do67.I hope that…68.can’t wait69.sleep a lot70.need to 71.ask sb. about72.be a good place to go

UNIT 4
73.get to school74.take the subway75.ride one’s bike76.It takes about +time to do77.how far78.be about 10 kilometers from79.leave for80.ride the bicycle to81.subway station82.hink of83.in North America84.on the school bus85.in other parts of the world86.depend on87.a lot more fun88.not all students89.means of transportation90.in the hospital91.thank you so much

Unit5
92.come to my party93.on Saturday afternoon94.would love to95.study for 96.go to a(the) doctor97.have a …lesson98.visit my aunt99.go to the mall 100.the day after tomorrow101.the day before yesterday102.\your) invitation to do103.on Thursday night104.keep quiet105.finish the geography project 106.ome over to107.till 22:00