Розкрийте скобки, використовуючи правильний граматичний час
1 I ______ (to walk) around the city all day yesterday. 2 They ______ ( to do) their homework before they went to the park. 3 Tom was happy because he ________ (to pass) his exams. 4 Mum _______ (to cook) when he burnt her hand. 5 Sam and Dan_______ (to sit) at the stadium now. They_______ ( to watch) the football match for forty minutes.