1. Correct each sentence. Use the past continuous or the past

1. Correct each sentence. Use the past continuous or the past simple.
a) When I was arriving at Dans house, he was waiting outside. (Arrived)
b) While we were doing a maths test, the head teacher was coming into the room.
.
c) While we swam, it started to rain. ..
d) While I was having a bath, the lights were going out. ..
e) Debra watched television when the storm began.
f) While I was walking to the shop I was losing my bag!
g) What were you doing when I was seeing you yesterday?..........................
h) I was walking up the stairs when I was hearing the phone.