Вставить пропущенное слово my brother three english books.

1) did not we?

2) are not they? : )

pack of cigarettesa day -about 500x-rayirradiationfor the year! temperatureof 700-900degreessmoldering cigarette! smoker's lungswith the experience -black,rottingmass.afterinhalingnicotine enters thebrainin 7seconds.nicotinecauses spasmof vessels,fromheremalnutritionoxygen to tissues.spasmof small vesselsmakes the skinaging.the hazards of smokingin the factthatthere isbad breath, yellowteeth,inflamedthroat,eyesturn redfrom theconstant irritationof smoke.