Past Simple and past continuous

I hurt my arm ……….. I was playing tennis yesterday.

• when

• while

Jess was waiting for us……… we got home.

• when

• while

We stayed inside………. the snow was falling.

• when

• while

…………….my phone rang, I was watching TV.

• When

• While

The weather changed suddenly……………….. we were thinking about what to do.

• when

• while

I was running for the bus when I ……………………. my phone. (drop)

Jack fell asleep while he ……………….. the film. (watch)

We were walking home when the wind ……………… to get stronger. (start)

My cousins ………………. in Japan when the earthquake happened. (stay)

The bear ……………….. while we were walking down the mountain. (appear)