最佳答案:What is he doing? 他在干什么?He is studying. 他在学习He is doing homework. 他在做作业.
最佳答案:你是想说:Tom的爸爸正在做什么事?吧如果是的话,就是:What does Tom's father doing?可以回答:He reading now.(他正
最佳答案:大家都写 on duty我觉得用 they are doing their duty.现在进行时更合适.
最佳答案:What are they doing on the bus?
最佳答案:一会将要下雨:It will rain.昨天他步行去车站了:Yesterday he walked to the station.他正在游泳:He is swi