Раскройте скобки, употребляя глаголы в Present Perfect, Past Simple. Past Continuous или Past Perfect.
1. Last suumer we ( to live) in the country and ( to go) to the river every day.
2. My sister ( to spend) a lot of miney yesterday.
3. She is so upset: she ( to lose) the key to the front door. 
4. By the I st of the September all the children ( to return) from the country.
5. Cloumbus ( to descover) America 500 yers ago.