Rewrite the sentences without changing their meanings. (Viết lại các câu mà không thay đổi nghĩa của chúng.)
1. Ms Ho started teaching English in 2000.
2. Learning Japanese is very difficult but interesting.
3. 3D printing is used to make three-dimensional objects.
4. Driverless cars can help reduce road traffic accidents.
5. We should not leave the door open at night.
6. The Internet helps us communicate easily among other things.
7. We can exchange information conveniently thanks to the invention of the email.
8. 3D printing helps reduce production costs.
