I am hving class 和 I am having classes 有什么区别?
I am good 和I am OK有什么区别?
here am i和here i am有什么区别?
who i am 和who am i 有什么区别?
I am having a class.I will call you back.
I feel tired 和 I am tired 有什么区别
So do I 和So am I 有什么区别
I will和I am going to有什么区别?
so am I与neither am I有什么区别
I am comeing!和I am coming有区别嘛
so i am 和so am i有什么不同的用法和区别吗?
I am going to America和I am going to go to America有什么区别?
I am quieter than he is 和I am quieter than him 有什么区别