Refer the sentences to the Past Simple. Example: She is my friend. Last year she was my friend. 1) I am happy now. ___ Yesterday ______________________. 2) They are at school today. __ Last week ______________________. 3) It is rainy in spring. __ Last spring ___________. 4) It is sunny this summer. __ _______________________________________. 5) Tim and Bill are in Africa. __ _____________________________.