41.2 Закончите предложения, используя только глагол в отрицательной форме (isn't/haven't/can't и т.д.). 1 My sister can play the piano, but I can't 2 Sam is working today, but I..... 3 I was working, but my friends. 4 Mark has been to China, but I 5 I'm ready to go, but Tom. 6 I've got a key, but Sarah​