You must have made it up. It was （）! A: incredulous B: credulous C: credible D: incredible

His trick convinced none but the most（） A: credulous B: plausible C: trustworthy D: feasible

Her written English was wonderful, and she had a (n) ______ vocabulary for a freshman. A: credulous B: incredulous C: credible D: incredible

He is such a ______ person that he tends to believe everything you tell him. A: credible B: creditable C: credulous D: believable