Teacher asked me ____ I was playing on the phone. She was sleeping ____ the alarm clock rang. The copy-book disappeared ____ I was doing my homework. Rain started ____ I was playing soccer. I was having lunch ____ my friend came. I was riding a bike ____ the cat crossed the street.

when or while

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？