It is fun?到底是It is fun to do sth 还是It is fun doing sth?It is
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 sth对,还是It is fun to doing sth
It is fun to do sth造句
It is fun to do sth.造句.
It is fun to do sth.句型fun的词性
it is fun to do 还是 doing?
what great fun it is+to do sth 吗
it is a great fun to do sth.
为什么能说What fun it is to do sth.却不能说How fun it is to do sth.
it is great fun +doing还是to do
it is fun to do和it is fun doing区别
it is +形容词+to do sth ,为什么有些资料上是it's fun +to do sth,fun是形容词吗