为什么 favorite exercise中exercise不用加s
为什么 favorite exercise中exercise不用加s
It's good exercise.为什么good前不用加a?
为什么moring exercises中exercise要加s?
exercise什么时候加s
she ofen exercise.exercise加s吗?
exercise 什么时候要加“s”?
do exercise 加s么?
do exercise什么时候加s?
Doing eye exercise 中为什么eye不用复数?
I will do more exercise every day为什么exercise不加s?
to do some exercise 为什么exercise 后面不加S啊
do a lot of grammer exersices中为什么exercise要加s