Refer the sentences to the Past Simple.
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. - ..............

I was happy toothey were at school toowas rainy tooLast summer it was sunny tooI was in Africa last year