this/these - that / those

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Fill in the blanks with "this", "these", "that" or "those":
1- 's wrong.
2- time last year, I was in England.
3- In days, they didn't have electricity.
4- days, people do very strange things.
5- winter, we're going to Florida.
6- winter, we celebrated Christmas in London.