[单选题,5分] He’s been _____a new project which has to be finished by the end of next year.
A.working out
B.working on
C.figuring out
D.making out
出自:安阳师范学院—大学英语

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