英语翻译为什么要填RUNNING

英语翻译为什么要填RUNNING He is （P ） running,根据首字母提示填空,并写出为什么要填这个 water为什么要用running i found a dog （run） over by a car on the road请问为什么要填run?填running you cannot have the horse __ all the way.it is too hot.为什么要填running?而不是to run?run?to be running? Bill is a great running star.He is very well.中,running为什么要用running? Don't have the machine ____all the time .It will go wrong.为什么填running(要加ing) they could not even defend themselves (by) running swiftly like the horses .这里为什么要填by?怎么翻译 英语翻译为什么要填asleep,原因 英语翻译怎么填?为什么? The bus is running about seventy miles_____ hour.怎么填,为什么?为什么用不定冠词 he is running 填什么 But sometimes there are many cars running on the road,为什么要用running? I usually do the running for an hour in the morning为什么running要加ing doing running after meals does harm to your health为什么要用两个ing doing running You'd better start the engine running.翻译下`这里running为什么要用ing形式 I found him running.为什么用running Millie often goes____(run)in the morning.这里是第三人称单数,这里为什么填running?