Может кто-то помочь с анл? Просто через час нужно уже выслать учителю ответы, не успеваю (

Fill in the gaps with the correct forms of the words or phrases in brackets. Use the Past Simple Tense or the Past Continuous Tense.
When I (walk) down the street, I (hear) a shot fired.
I (meet) him while I (work) as a nurse.
They (play) football when the telephone (ring) .
While they (play) chess, someone (break) the window.
I suddenly (recall) the address when I (look) for it everywhere in the house.
I (talk) to Bob when the bus (stop) .
When I (surf) the Net, the computer (crash) only once.
While she (scan) the document she (realize) that it was the wrong one.
When we (have) less money, we (be) much happier.
I finally (understand) what they (plan) to do.