Past Simple vs Past Continuous

My granny ...........(break) her leg last week

He broke his leg while he ..................... (ski) in the Alps.

I ................... (be) ill last week, so I didn't go to the party.

Yesterday at 7 o'clock my brother ............... (do) his homework, but he didn't finish it.

The car .................... (stop) at the traffic lights.

Claire ................. (go) to Egypt two years ago.

I was sitting in the garden while the birds ................... (sing) beautifully.

Susan was travelling to Mendoza when I ............... (see) her at the bus station.

The phone rang while David ______ (have) a shower.

The boy ....................... (not swim) in the sea yesterday at 3 o'clock.