Past Simple vs Past Cont

I ...... (see) a volcano when I was travelling in Italy last year.

What ............ (your sister/do) at 6 o'clock yesterday?

She ........... (read) a comic when the phone .......... (ring).

We ......... (sit) on a sofa when we .......... (hear) a noise.

About two years ago he ........... (lose) his leg in a car accident.

Yesterday I ........... (visit) my grandma.

What .............. (she/do) between 3 p.m. and 4 p.m. yesterday?

....................... (you/ sleep) at 6 a.m. this morning?

I ............ (have) a shower when the phone ......... (ring).

There was a great film on TV last night, but I ........... (study) for my exam.

JK Rowling .......... (write) Harry Potter.

I ........... (be) at school yesterday.

Sorry I'm late. The shool bus ......... (not/come).

I ......... (walk) to school, when suddenly I ........ (hear) a noise.

People ....... (sleep) when the volcano ............ (erupt)