The work __________ by the time you get here.
单选题 (10 分) 10分
A.
will have been done

B.
is done

C.
had been done
出自:国家开放大学-理工英语3

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