英语固定搭配问题1.doing 2.Light travels faster than sound.为什么用travel

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英语固定搭配问题
1.doing
2.Light travels faster than sound.为什么用travels?
3.He is always ready to help others?为什么要用is?

1.意思是做的好、进展顺利
2.光速比声速快用travels是因为主语light是第三人称单数所以谓语动词要加s
3,be ready to do 是一个短语,翻译为准备做某事所以要有一个be动词又因为它放在第三人称he的后面所以be 变为is 翻译为：他总是准备帮助其他人.

英语固定搭配问题1.doing 2.Light travels faster than sound.为什么用travel Light travels faster than ----- 是noise还是sound,为什么 It ( )that light travels faster than sound Light travels faster than sound改为过去式 Light travels much faster than sound. 英语同义句转换1、Light travels faster than sound. Sound travels ____ 几道英语填空题要求:合并成一句1.Light travels faster than sound.My teacher light travels faster than sound的同意句 “light travels faster than sound , ”our teacher told us . 改为怎么把Light travels faster than sound.改成一般疑问句同义句转换Light travels faster than sound. My physics teacher said that light travels faster than sound