Put the verbs in brackets into the Past Continuous.
What (you/do) last spring?
Sam (take) photos during the concert.
The businessman (work) hard because he wanted to finish the project as soon as possible.
We (plan) to go for a walk, but we stayed home instead.
He (play) the piano all night on Sunday.
What was you doing last spring?
Sam was taking photos during the concert.
The businessman was working hard because he wanted to finish the project as soon as possible.
We were planning to go for a walk, but we stayed home instead.
He was playing the piano all night on Sunday.