Theresearcherissodesignedthatonce
来源:语文精选馆 2.09W
问题详情:
The researcher is so designed that once ________ nothing can be done to change it
A. begins B. having begun D. beginning D. begun
【回答】
D知识点:分词
题型:选择题
问题详情:
The researcher is so designed that once ________ nothing can be done to change it
A. begins B. having begun D. beginning D. begun
【回答】
D知识点:分词
题型:选择题