Вставьте пропущенные слова
good (2), fit. keeps. healthy. difficult. easy. useful
1) He always ... regular hours. 2) It is an ... question. 3)Jane always eats ... food, she thinks it is very ... for her. 4) Alex is ... at swimming. 5)I couldn t do it. It was very ... .6) It is very ... to know English. 7) It is good to keep ... .