7. People said that Thomas Edison invented the electric light bulb. =>……………………………………………………………………………
8. The doctor ordered him to take a long rest. =>…………………………………………………………………
9. A group of students have met their friends at the rail way station. =>………………………………………………………………
10. They didn’t allow Tom to take these books home. =>………………………………………………………………
11. The teacher won’t correct exercises tomorrow. =>………………………………………………………………
12. Mary has operated Tom since 10 o’clock. =>…………………………………………………………………