50.He cast a ____ of surprise at his old friend.A.stare B.look C.gaze D.glance51.This is ______such a thing.A.my first t

50.He cast a ____ of surprise at his old friend.A.stare B.look C.gaze D.glance51.This is ______such a thing.A.my first time of seeing B.first time to seeC.the first time I have ever seen D.my first time I have ever seen