1.什么时候动词开头要加“ing”?怎么算祈使句?2.funny和fun的区别3.other,theother和another的区别4.rain,rainy,raining的区别5.如何区分maybe和maybe6.takeavacation,forvacation,onvacation的区别7.tour和travel
1.什么时候动词开头要加“ing”?怎么算祈使句?
2.funny和fun的区别
3.other,theother和another的区别
4.rain,rainy,raining的区别
5.如何区分maybe和maybe
6.takeavacation,forvacation,onvacation的区别
7.tour和travel的区别
8.necessary和important的区别
9.all和whole的区别