问题
选择题
Do you know ____? [ ]
A. when Li Lei set off
B. when to Li Lei set off
C. when did Li Lei set off
D. Li Lei set off when
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Do you know ____? [ ]
A. when Li Lei set off
B. when to Li Lei set off
C. when did Li Lei set off
D. Li Lei set off when
答案：A