it is fun to do和it is fun doing区别
it is fun to do和it is fun doing区别
it is fun to do 还是 doing?
It is fun?到底是It is fun to do sth 还是It is fun doing sth?It is
it is fun to do 与it is no fun doing 与 it is fun doing三者的区别是什
It is fun to do sth对,还是It is fun to doing sth
it is great fun +doing还是to do
It is fun to do sth.句型fun的词性
It is fun to do sth造句
It is great fun to do ...
It is fun to do sth.造句.
It’s fun to do还是doing
It's fun to do和It's fun doing的用法,具体一点,要有例句.