— The horse is standing with its eyes _______.— It may be sleeping.
Every student is _____ to obey the school rules.
She bought a skate board online _____ she saved a lot of time.
If we travel a short distance, we should walk _____ taking a bus. Then we’ll be greener people.
Students ought _____ the truth.
—It’s a long story, but you can hardly find new words in it. —Good! _____ it will be too hard for children.