Помогите очень срочно надо, даю 10 баллов

Ответ:

2. He was running to the bus stop when it trip.

3. Bill was playing tennis when he sprain his ankle.

4. Tony was boiling eggs when he burn his hand.

5. Liz was climbing on ladder when she fall into bushes.

6. Pete was climbing on the tree when he break his arm.