i usually go to work by car .为什么不是i am usually?为什么不用am?

I usually go to work ( ). I usually go to work by bike.请中文 Usually I go to work by bus,______it's fast I usually go to work by bus 提问这一句 I usually go to work around eight.around I usually go to work by car改为同义句I usually go to work（ ）my car I usually go to work by bike的同义句I usually ____ ____ bike ____ go to work. i usually go to work by car .为什么不是i am usually?为什么不用am? I usually go to work by bike.(用he替换I). I usually take the underground to go to work.(原意不变） I usually take the underground to go to work.(原意不变） I usually go to work by car同义句是什么,记住不是翻译 I usually go to work ______ A.in a car B.on a car I usually go to work at 8.这里的usually是频率副词做状语,修饰的是动词go还是work? usually go to work __ my bike,but sometimes I go __ bus.4.I usually go to work __ my bike,but sometimes I go __ bus.A.by,byB.on,byC.in,on I work in a swimming club I work in a swimming club 的问句是什么?I usually go to work at seven in the morning.的问句是什么?I usually take a bus to work的问句是什么? I usually go to work()bike but today I go to work()the bus.A.by,by B.in,in C.by,on D.on,by They usually go to work bu subway 改为同义句 They usually ()()()to work