第三人称单数＋s can will 后加动词原形 everyone 与every one 的区别 travel trip 的区别 on at in 的用法 还有词组： be going to do want to do would like to do be ready to do buy for buy ``````````````` 提建议句型 how about what about can let's 你回答什么别人就回答什么 good moring good afternoon good everning how do you do 问 can I help you what can I do for you can you help I 疑问词 what how where when which why whose who
