1. Rewrite the sentences without changing their meanings.

1. Ms Hoa started teaching English in 2000.

→ Ms Hoa has _________________________________________.

2. Learning Japanese is very difficult but interesting.

→ It is  _______________________________________________.

3. 3D printing is used to make three-dimensional objects.

→ 3D printing allows ____________________________________.

 4. Driverless cars can help reduce road traffic accidents.

→ Driverless cars can be useful ___________________________.

5. We should not leave the door open at night.

→ We should avoid ______________________________________.

6. The Internet helps us communicate easily among other things.

→ Easy communication is one of ____________________________.

7. We can exchange information conveniently thanks to the invention of the email.

→ The invention of the email enables _________________________.

8. 3D printing helps reduce production costs.

→ 3D printing is used ______________________________________.