He was appointed as president of the university yesterday. Wearing a jacket and tie today, he is giving a speech on the platform.
A. the:/
B. a; a
C. /;/
D. the; a
网友回答
A. the:/
B. a; a
(答案→)C. /;/
D. the; a
解析：考查冠词。当独一无二的职位作为表语或者补语的时候要单独使用，不需要接冠词。故第一空用零冠词。第二空a jacket and tie是一种服装；句意：昨天他被任命为这所大学的校长，今他穿了一件带有领带的夹克衫在讲台上发表了一词演讲。故C正确。