问题
选择题
We have to ask them to ____talking in order that all people present could hear us clearly.
A．decrease
B．quit
C．continue
D．keep
答案
答案：B
四个被选项这四个动词其中除A以外，其余的被选项都可以跟动名词结构：quit doing.停止...，continue doing../继续..，keep doing../一直…。该句的含义是“我们得要求他们停止说法以便所有在场的人都能清楚地听见我们的声音。”