Complete the sentences with the correct forms of the verbs in brackets

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!
1. My mother (take up) aerobics ten years ago.
2. The government (just, decide) to increase taxes on fast food.
3. I (win) several races since I started a new workout routine.
4. The idea of smart cities (start) in the 21st century.
5. So far, more than 70 million people (receive) vaccines to build protection against the virus.
6. I (already, show) my grandmother how fo use her new smartphone.