Complete the sentences below with the passive form of the verbs in brackets.
1. It ________ (not power) by electricity - it was mechanical.
2. Millions of mobile phones ________ every year. (sell)
3. American football ________ very much in the UK. (not play)
4. ________ tablets ________ in your school? (use)
5. Most crimes ________ in big cities. (commit)
6. Rubber trees ________ in cold countries. (not grow)
7. ________ Samsung televisions ________ in Korea? (make)