Without electricity human life ________ quite different today.

A.
is

B.
will be

C.
would have been

D.
would be


出自:甘肃开放大学 英语口语1

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