it might be a man riding a horse为什么用riding

it might be a man riding a horse为什么用riding 写出括号部分的句子成份 It might be a man ((riding a horse)) what do you think about riding a horse?为什么要用riding呢? the man who is riding a horse is my brother.(改为简单句) the man The old man is carrying a donkey [ ] [ ] riding it It's a man riding an eleplant是什么意思 Riding a horse must be a lot more fun than ride a bike.改错题 R 用所学介词填空 The old man is carrying a donkey _ _ riding it. 根据首字母填空 I think it might be an old man r_ a horse Riding a bike is exercise.为什么Riding不能用ride? I riding like on horse a怎么组成一个句子 Riding a bicycle can be great