Choose the correct options

1. The pizza [is bake|is baked] every week.
2. The concert tickets [are sold|is sold] online.
3. The holiday decorations [is put up|are put up] every year.
4. The letters [are written|are write] by Helen.
5. The shopping mall [build|is built] on an old car park.
6. The website [design|is designed] by a professional team.
7. The team's song [is sung|is sang] at the start of the match.
8. The flowers [are planted|plant] in the spring.
9. The cooking
   [is do
   |is done] at weekends.