Question

【题目】This sign warns the people who study in the library __________.

A. don’t speak loudly B. not speak loudly

C. to not speak loudly D. not to speak loudly

Answer 1

【答案】D

【解析】

试题分析：句意：这个标牌警告在图书馆里学习的人们不要大声地交谈。此题考查固定短语warn sb not to do sth警告某人不要做某事。根据句意，故选D。