is和 do的区别?
英语is和do|does的区别
do和is的区别是什么【开头提问】
Who is he?和What does he do 的区别
How is you和 how do you的区别
what he is 和what does he do的区别
is和do的用法有什么区别
do does和am is are的区别
do you know who he is 和who do you think is he?的区别
there is/are 和have的区别,do和"be"的用法区别.
it difficult to do sth 和it is difficult to do sth 的区别
had better do sth和it is better to do的区别
is to do 和 do 是什么区别,在英语当中