It’s impolite ________ loudly in public places.A. to spe Wap版

试题详情及答案解析: It’s impolite ________ loudly in public places.
A. to speak B. speaking C. to speaking; 答案：A; 试题分析：句意：在公众场合大声讲话是不礼貌的。It’s impolite to do sth 做某事是不礼貌的。根据题意，故选A。
考点：考查非谓语动词。