_____ they _____ on the train? [ ]A. Do, having fun B. Are, having a fun C. Are, having fun D. Can,
[ ]
题目简介
_____ they _____ on the train? [ ]A. Do, having fun B. Are, having a fun C. Are, having fun D. Can,
题目详情
[ ]
B. Are, having a fun
C. Are, having fun
D. Can, having fun
答案