问题
选择题
The bus _____ suddenly when a group of students ran onto the road. [ ]
A. stops
B. stopped
C. has stopped
D. is stopping
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The bus _____ suddenly when a group of students ran onto the road. [ ]
A. stops
B. stopped
C. has stopped
D. is stopping
答案：B