Choose the correct form: present perfect or present perfect continuous.
1) I (1 have practised/2 have been practising)these tenses for three weeks. Now I understand them better.
2) Helen (1 has told/2 has been telling)me you are seriously ill. Why didn't you tell me yourself.
3) I (1 have been staring/2 have stared) at this menu for ages now and I still haven`t decided yet.
4) I (1have often been telling/2 have often told) her to be extra careful when opening the car door. I'm not really surprised to hear that she hit a pedestrian.
5) I (1 have been doing/ 2 have done) paperwork all day. In all, I guess I have signed about 65 letters.