Supply the correct passive form of the verbs in bracke
1. America (discover) … by Christopher Columbus
2. The phonograph (invent) …. by Thomas Edison in 1877
3. Many songs (sing) …. on the New Year’s Eve
4. Fireworks (set off) … to celebrate the Independent
5. Three people (rescue) … from the raging fire by the firefighter
6. The classrooms (clean) … every day
7. A primary school (build) …. here soon
8. English (speak) … by millions of people in the world
9. This book (write) … by a very famous author in 2000
10. Football (play) … in almost every country
1. is discovered
2. was invented
3. are sung
4. are set off
5. are rescued
6. are cleaned
7. will be built
8. is spoken
9. was written
10. is played
1 was dicovered
2 invented
3 were sung
4 sets off
5 recused
6 is cleaned
7 is going to build
8 has spoken
9 has written
10 has played