问题补充:
When the teacher came in, the students stopped and became very .
A. to talk, quiet
B. talking, quiet
C. to talk, quietly
D. talking, quietly
答案:
A. to talk, quiet
(答案→)B. talking, quiet
C. to talk, quietly
D. talking, quietly
解析:句意:当老师进来时学生们停止交谈,并变得非常安静。stop doing st 停止做某事,停止正在做的事,stop to do sth,停下来去做某事,即停止正做的事去做另外一件事。become,变得……,半系动词,后加形容词。quiet,安静的,形容词,quietly,安静地,副词。故选B。