Réponse :
b. At 17, you aren't allowed to buy fireworks
1a. You can't (ou cannot) smoke.
1b. You can park here between 12 o'clock and 8 o'clock.
1c. You can't (ou cannot) walk on the grass.
1d, You can ride a bicycle.
Voila, j'espere avoir aide.
Explications :