—Do you think he is the only person for the job?—I’m not quite sure but he’ll prove_______ to the task.
They argued __________ the matter the whole afternoon, and at last agreed __________ the date for the next meeting.
Although the lawyer __________ that the old man couldn't bring any harm to society, he was still sentenced to death.
Eugene's never willing to alter any of his opinions, so it's no use __________ with him.
Big companies generally __________ the plan, while small ones don't like it at all.
Gun control is a subject __________ Americans have argued for a long time.