Whyareyouhere?Youaresupposedto
来源:语文精选馆 1.82W
问题详情:
Why are you here? You are supposed to ________ the experiment in the lab.
A. perform B. be performing C. have performed D. be performed
【回答】
B
知识点:非谓语动词
题型:选择题
问题详情:
Why are you here? You are supposed to ________ the experiment in the lab.
A. perform B. be performing C. have performed D. be performed
【回答】
B
知识点:非谓语动词
题型:选择题