问题详情:
The machine is very easy ____________ne can learn to use it in a few minutes.
A. operating B. to operate C. to be operated D. to be operating
【回答】
B
知识点:非谓语动词
题型:选择题
问题详情:
The machine is very easy ____________ne can learn to use it in a few minutes.
A. operating B. to operate C. to be operated D. to be operating
【回答】
B
知识点:非谓语动词
题型:选择题