Ракскройте скобки, поставьте глагол в Present Perfect.
1.Doctors (cure) many deadly diseases.
2.You (grow) since the last time i saw you.
3.My English really (improve) since i took private lessons.
4.He never (travel) by train.
5.you (meet) him? - I (see) that movie twenty times.
6.I think i (meet) him once before.
7.you (be) to France? - I (be) to France three times.
8.Bill not (arrive) yet.
9.Mary (love) chocolate since she was a little girl.