Odpowiedź :
Odpowiedź:
1 I have already done the exercise.
2 Susan finished her book last week.
3 Thomas hasn't eaten lunch yet.
4 Tim wasn't at school yesterday.
Wyjaśnienie:
Odpowiedź:
1 I have already done the exercise.
2 Susan finished her book last week.
3 Thomas hasn't eaten lunch yet.
4 Tim wasn't at school yesterday.
Wyjaśnienie: