Resposta :
1.
a) I don't study on Saturdays.
b) I study on Sundays.
2.
a) Mark doesn't go to karate lessons.
b) Mark goes to piano lessons.
1.
a) I don't study on Saturdays.
b) I study on Sundays.
2.
a) Mark doesn't go to karate lessons.
b) Mark goes to piano lessons.