Răspuns:
1.
a) I have never done gymnastics in my life.
b) Samantha has had a backache for the past two hours.
c) Paul has just finished his homework.
d) I haven't taken anything for my headache yet. e)My mother has worked as a teacher since 2005
2.
a) haven't visited
b) went
c) Did Peter move
d) haven't spoken
e) took
3. Nu se vede cum trebuie si nu imi dau seama.
4.
a) has been exercising
b) have you known & have been playing
c) have you been doing & I have been jogging
d) haven't been waiting
