We must all learn to difficulties in life a on b with c at

1. haven't played; was

2. visited; went

3. have, choosen; bought

4. have, seen; watched 

5. forgot, didn't said 

6. has broken; fell

7. did you sell; saw, have bought

8. finished, painted, put up

9. have lost; ran

х_х

he's traveling on the 8 o'clock train

she is afraid of traveling by plane

do not lean out of the window

walk in the pavement