Ответ:

we watched the film yesterday

we have watched the film again

they didn't learn poems by heart yesterday

they have learnt poems by heart again

Did she cook pizza yesterday?

Has she cooked pizza again?

Did you like the workshop yesterday?

Have you liked the workshop...(звучит очень тупо и неправильно, не рекомендую употреблять, ибо это предложение смотрится нормально только в past simple)

the teacher gave us interesting tasks yesterday

the teacher has given us interesting tasks again

He didn't prepare for the lesson well

He hasn't prepared for the lesson again