Sally, could you lend me your calculator? Mine is not working. - ____________________________

A、It doesn’t matter.
B、No, I can’t.
C、Sure. Why do you need it?
出自:国家开放大学理工英语21

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块