Не понимаю, что делать . complete the sentences with could, to be able to, managed to. 1) my sister… memorise long poems when she was 4 years old. 2) he … to save 1thousand dollars and went to a journey in paris. 3) …you … to do the splits?

1) My sister could memorise long poems when she was 4 years old.
2) He managed to save 1thousand dollars and went to a journey in Paris.
3) Were you able to do the splits?