Mr Li _____ the students' work when I en
题型:选择题
问题:
Mr Li _____ the students' work when I entered his room. [ ]
A. goes over
B. went over
D. is going over
D. was going over
Mr Li _____ the students' work when I entered his room. [ ]
A. goes over
B. went over
D. is going over
D. was going over