There are three main classes of drugs, ________ has a different effect on the body.
It was sad to me that they, so poor themselves, ________ bring me food.
—Dad, I don’t think Oliver the right sort of person for the job.—I see. I’ll go right away and ________.
The lecture, a lively question-and-answer session followed.
The idea “happiness, ” ________, will not sit still for easy definition.
She was put under house arrest two years ago but remained a powerfulin last year's election.