they are running.running是现在分词?动名词?现在进行时?

提问 They are running they are running.哪个是谓语?are running or running? 八年级英语第六单元 They are fast _______out of money. A.run B.to run C.running D.ran请问选哪一个.急! They use computers to keep the traffic_____smoothlyA.being run B.run C.to run D.running There are too many cars_____on the streetsA.run B.are running C.ran .running The tigers are ____.A.run B.running C.runing the tigers are------ A.running B.tuning C.run they are （running ） (划线提问） are they swimming or running 回答 They are tired ofter running.改为感叹句 they are really running you into the 这两句话意思一样吗?The horses are running .they run fastThe horses are running very fast快点,救人要紧啊（这两句话意思相同吗?）回答 一样或不一样 这两句话意思一样吗?The horses are running .they run fastThe horses are running very fast快点，救人要紧啊（这两句话意思相同吗？） we are using so many raw materials every day,which _________that they _________A,are running out ,wil be used up B.are being run out ,wil run out C,have run out of ,will be using up D,have run out,will run out of选什么?为什么呢?which 引导的 英语翻译All the animals today Are in red and white shorts.They are doing different sports.Three,two,oneGo,Rabbit!Run!Run under the hot,bright sun!Well done,well done!Rabbit,you won!Running is great fun! Tom with his friends____every morning.(run)is running还是are running they walk very fast .in fact,they are running . run out of 的用法有一道题 they are fast -- out of moneyA.run B.to run C.running D.ran我们老师说是选A,但run out of 的run 不是动词吗,在be动词后怎么是原型?急!谢谢,回答好有加分