$#Pi$
1. Telephone/ invent/ Alexander Graham Bell/ 1876.
→ Telephone was invented by Alexander Graham Bell in 1876
2. Watching/ television/ most/ popular/ kind/ entertainment/ nowadays.
→ Watching television is considered to be the most popular kind of entertainment nowadays
3. After/ many/ experiments/ finally/ first/ successful/ flight/ make/ by/ Wright brothers
→ After many experiments, fillany , the first successful light was made by Wright brothers
4. Computers/ use/ more/ popular/ next century.
→ Computers will be used more popular next century
5. My mother said/ she/ visit/ Ha Long Bay/ next month
→ My mother said she would visit Ha Long Bay the next month
6. My house/ build/ in 2010.
→ My house was built in 2010
7. French/ not/ teach/ our school.
→ French isn't taught in our school
8. Mai/ give/ lot/ presents/ her last birthday.
→ Mai was given a lot of presents on her last birthday.
9. Rice/ not/ grow/ mountainous areas
→ Rice isn't grown in the mountainous areas