单选题 We have to ask them to quit talking in order that all people present could hear us dearly.
【正确答案】 B
【答案解析】[解析] “为了让所有在场的人听清楚，我们不得不要求他们停止谈话。”其中除A以外，其余的被选项都可以跟动名词结构：quit doing=cease doing停止做；continue doing继续做；keep doing一直做。