Greatly frightened by the terrible scene, _____. [ ]

ms that most educators ______the plan for Advanced Assessment for Admission, which gives rise to a completereform of College Entrance Exams

in a white uniform, he looks more like a cookthan a doctor

下列各句中，没有语病的一句是（ ）

How unhappy your roommate looks! — Yes, but he’s not willing to tell me what it is ____ is troubling him. [ ]