No student likes ________ in the teacher’s face during the class.
Many problems concerning the improvement of our school remain ________.
At the foot of the mountain ________, which caught my eye.
Everyone was silent as the organizer ________ the result of the speech competition.
After a few courses on painting, Helen said she would ________ oil painting in her spare time.
Most people are familiar with the idea that all matter in the universe ________ atoms.