be running for exercise 还是 running for exercise

be running for exercise 还是 running for exercise He could be running for exercise The man could be running for exercise,----?反义疑问句 he could be running for exercise分析一下句子结构 特别是could be running The man could be running for exercise.为什么用running而不是run 谢啦在线 英语翻译以下如同1.he could be running for exercise.2.he might be run eat less and try more exercise .running is good for you and running is exercise什么意思? running is exercise.改为一般疑问句 The man ‘could be’ run for exercise . running ( )good for you 英语翻译Morning exercise is good for health。be 动词用单数还是复数？