Ответ: 1.
She (is) fifteen now but she (has travelled) to over twenty countries.
2. Some years ago he (was) a doctor but he ( decided) to see the
world 3. I can’t go there now, I (have  told) you several times. 4. Now it
(is) the first time she (has driven) a car. 5. Why is he (smoking) now?
He has never (smoked) before. 6. It ( seems) to me that somebody has just (
knocked) at the door. 7. I (have  visited) this country many times since that
time. 8. When he (came), his family (were sitting) in the dining-room
speaking in a whisper. «Why are you (whispering)? He asked them. «What (has
happened)?» 9. Where (is) your husband? – He (is) in the kitchen. He
(came) home ten minutes ago and he (is having) dinner now. 10. When
she (entered) the room, her daughter (was drawing) a picture. When she (had
finished) drawing, she (said). » Look! What a funny dog I have just (drawn)! Do you ( like) it?» 11. Are you ( waiting) for Beth? – Yes. Why hasn’t she
( come)? I ( think) she (is) late. 12. Do you (know) what
profession he (has choosen) as а career? 13. Do you ( have) money to pay
for the ticket? – I (am) afraid I (forgot) to take my purse at
home. 14. We ( made) some good friends when we (were) in France.