Question

【题目】It’s polite _________ goodbye to your teacher when you leave school.

A. says B. to say C. will say D. saying

Answer 1

【答案】B

【解析】句意：当你离开学校的时候，跟老师说再见是一种礼貌。考查It is + 形容词+ to do的用法，故本题选B。