It is ____to surf the Internet.

It is ____to surf the Internet. Is very popular now use it to surf the Internet为什么it后用to 单选!_____ great fun it is to surf the internet in our compute But is it good for us to surf the Internet?用法对么? surf the Internet surf the internet是什么意思 surf on the Internet surf the Internet的surf是什么意思 Let is surf the Internet this evening,___________(反义疑问句) surf on the Internet 还是surf in the Internet surf the internet之中文 surf the Internet的中文