1 database , 2 check, 3 diagnose, 4 provide, 5 agenda, 6 clients, 7 characters, 8 occasionaly, 9 very - evry, 10 do - does, 11 stand up- can't stand, 12 for - about, 13 hardware - software, 14 need you - do you need, 15 have - shall.
3 задание нужно видеть слова из юнита.