Usually there might be a lot of accident
题型:选择题
问题:
Usually there might be a lot of accidents in the heavy fog. I happened to witness ______ this morning. [ ]
A. it
B. those
C. one
D. that
Usually there might be a lot of accidents in the heavy fog. I happened to witness ______ this morning. [ ]
A. it
B. those
C. one
D. that