Running is good ——————(锻炼)

Running is good ——————(锻炼) Tom is running fast 同意句——— ——— Tom is running -many people ——for trains A.are run B.are running C is running D.are running-many people ——for trains A.are run B.are running C is running D.are running首先,我想问的是1.people 不是单数形式复数意义么为什么要are?2.在句 mike is good at running 同义句 he is good at running?怎么提问 ( )As we all know that the earth is home to ___ animalsA.million B.millionsC.million of D.millions of( )——What sport do you like ___,swimming or running?——oh,I prefer running.A.good B.wellC.better D.best这两题考的语法又是什么? Cycling is more dangerous than runing的同义句 Running is ———— ———— cycling I like running.划线提问怎么写?划线部分是running ———— tom is a running star.she is a good runner. this is tom he is me good ———. How beautiful the running shoes——!A.isB.areHow much——？A.are theyB.is it Peter is good at running.（同义句转换） is,good,running,for,you（.）连词成局 Mary is good at running（同义句转换） is,good,running,for,you（.）连词成局 Running is a good e_____.横线上应该填什么 the girl ____ a red shirt is good at running he is good at running.he runs f-- 的填词