Bonjour,
Réponse :
a. Peter can cycle very well.
b. Emma can swim really well.
c. Liz and Alison can't play badminton at all.
d. You can play football really well.
Explications :
I can play football very well. ( très bien )
I can play football really well. ( vraiment bien )
I can play football quite well. ( plutôt / assez bien )
I can't play football at all. ( pas du tout )