4.______with the problem,the _____student
4.______with the problem,the _____student requested his teacher to explain it again.
A.Confused; confusing B.confusing; confused
C.Confused; confused D.Confusing; confusing He is always the first ______to the classroom and the last ______.
A.to come; leaving B.coming; to leave C.to come; to leave D.coming; leaving