Помогите, пожалуйста, очень прошу!
Номер: 30-31

Спасибо, от души!))

1) where have you been? i have gone to the doctor. 2) have you seen my glasses anywhere?3) They have just gone out4) i have lost my passport 5) we have bought a new sofa6) the film has just begun 7) have you ever ridden a bicycle?8) many people have never flat a plane9)how long have you known10) i haven't bought 1) since2)for3) since4) for5) since6) for7) for8) since9) since