I am,you are,he/she/it is
除此之外,可数名词单数以及不可数名词(如一个人、一件事或一样东西)用is;可数名词复数(指两个或两个以上)用are
所以What are you doing?I am washing the dishes.这样填是正确的.
I am,you are,he/she/it is
除此之外,可数名词单数以及不可数名词(如一个人、一件事或一样东西)用is;可数名词复数(指两个或两个以上)用are
所以What are you doing?I am washing the dishes.这样填是正确的.