ВСТАВЬТЕ АРТИКЛЬ a/an.1) This is .....empty box. 2)This is .... green tree. 3)It"s.....Tim. 4)He is .....funny.5) He is ....good pilot.6)He is....old man.7)Is it ...yummy.8)This is .....big street 9)He is not ..... little.19)That is .....apple.