Odpowiedź:
1.I couldn't read when I was 5, but now I can.
2.I couldn't play chess at the age of 8 and now I can.
3.You shouldn't drink a lot of cola.
4.You should run every day.
5.Did you know how to swim at the age of 5? Yes, I could.
Mam nadzieję, że pomogłam ;-).