问题
选择题
单项选择。
Where are they ____ a trip? [ ]
A. go to
B. going on
C. going to
D. go on
答案
答案：B
搜题请搜索小程序“爱下问搜题”
单项选择。
Where are they ____ a trip? [ ]
A. go to
B. going on
C. going to
D. go on
答案：B