Time expressions

An old man tried to pull something out of the sand .......... I was reading.

I slept for 5 hours ....... I spent all day skiing.

I was reading an interesting poem on the beach ....... suddenly I heard some whispering behind my back.

My birthday is ..... March 13th.

I'm busy right now. Can I call you ...... ?

........... the play, I remembered when I'd left my keys.

I spent all day skiing. ......... I slept for 5 hours.

............ I woke up, I went downstairs to see the first snow through the kitchen window.

.........my flight to the USA, I kept talking to my mum.

I won't go anywhere before 6. I will stay here ...... 6.

We went to the cinema and .......... we ate pizza at Pizza Hut.

.......... I got home, my parents had already eaten the whole pizza.

We have to finish this project ....... the end of the week.