6. I don't want to go to work this morning.
⇒ I don't feel like to go to work this morning.
7 . Davis said that "Let's go to the movies."
⇒ Davis suggested going to the movies.
8. It’s not a good idea to drive in the heavy rain.
⇒ It’s better to avoid heavy rain by driving.
9. Her explanation was so complicated that I couldn’t understand anything.
⇒ Her explanation was too complicated so I couldn’t understand anything.
10. She felt very sleepy, so she went to bed early.
⇒ She went to bed early because she felt very sleepy.
12. The flight to London lasted seven hours.
⇒ It took seven hours to fly to London.
13. It is not easy to train horses.
⇒ Horses are not easy to train.
14. The red car was more beautiful than the blue car.
⇒ The blue car was less beautiful than the red car.
15. You can buy many kinds of tax free goods before getting on the plane.
⇒ Many kinds of goods can be bought by you before getting on the plane.