____ they ____ on the train? A.Do, having fun B.Are, having a fun C.Are, having fun D.Can, having fu...
2022-11-21 17:44:08 201次 2015-2016学年甘肃天水甘谷县七年级下期中检测英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
____ they ____ on the train?
A.Do, having fun B.Are, having a fun
C.Are, having fun D.Can, having fun
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