17) 1.Mother hasn't cooked supper. - Mother не приготовила ужин.
2.We haven't shopped a lot.- Мы не сделали много покупок.
3.The children haven't started. - Дети не начали.
4.Freddy hasn't danced a lot. - Фреди не станцевала.
5. They haven't decorated the New Year tree. - Они не украсили новогоднюю елку.
16) 1) finished 2) helped 3) washed 4) locked 5) cleaned