В предыдущем ответе слишком много ошибок, лучше напишу новый ответ.
1) English and French are spoken in Canada.
2) Surfing was invented (by people) a very long time ago.
3) The harvest was gathered (by them) in October.
4) The results of the test will be told you by us.
5) Ten matches will be played by them next season.
6) Jams are made (by people) from different fruits.
7) The patient will be cured by the doctor by all means.
(by people) - я пишу как и в примере в скобочках, это значит, что можно и пропустить. Даже лучше пропустить.