问题
选择题
There was a policeman _____ by me. [ ]
A. to stand
B. is standing
C. stood
D. standing
答案
答案：D
搜题请搜索小程序“爱下问搜题”
There was a policeman _____ by me. [ ]
A. to stand
B. is standing
C. stood
D. standing
答案：D