Am lasat poza cu un exercitiu e pentru maine va rog mylt. Pun 30 de puncte!<3

You look dirty.What have you been doing ?
I've been repairing the bicycle.
What have you done?
Well,I've already replaced the chain and cleaned the gears,but I haven't checked the tyres yet.
Urmeaza exemplul si costruieste dialoguri pentru 2 si 3 . Te ajut eu cu dialogul numarul 2, insa pe 3 incercu si singur sa-l faci!
A: You look dirty! What have you been doing?
B: I have been repairing my bicycle.
A: What have you done until now?
B: I have already replaced the chain and cleaned the gears, but i haven't checked the tyres yet!