问题
选择题
_____ they _____ on the train? [ ]
A. Do, having fun
B. Are, having a fun
C. Are, having fun
D. Can, having fun
答案
答案：C
搜题请搜索小程序“爱下问搜题”
_____ they _____ on the train? [ ]
A. Do, having fun
B. Are, having a fun
C. Are, having fun
D. Can, having fun
答案：C