问题详情:
We should pay more attention _____ the classroom clean.
A. to keep B. to keeping C. in keep D. in keeping
【回答】
B
知识点:介词
题型:选择题
问题详情:
We should pay more attention _____ the classroom clean.
A. to keep B. to keeping C. in keep D. in keeping
【回答】
B
知识点:介词
题型:选择题