Помогите, пожалуйста! Слова в скобках поставить в необходимо время...1. I (practise)

Помогите, пожалуйста! Слова в скобках поставить в нужно время...
1. I (practise) these tenses for three weeks now. Do you think I have мейд any progress.
2. She (gossip) about me, hasn't she. I can just feel it.
3. Helen (tell) me you are seriously ill. Why didn't you tell me yourself.
4. Our company (double) its turnover over the past six months.
5. (Smoke) ? Your breath smells awful.
6. I (stare) at this menu for ages now and I still (decide) yet.
7. Pope John Paul II (visit) already more than 90 countries.
8. I often (tell) her to be extra careful when opening the car door. I'm not really surprised to hear that she knocked down a pedestrian.
9. I (do) paperwork all day. In all, I guess I (signed) about 65 letters.
10. With this easy sentence you (not finish) the exercise.