I don't know how you can say things like that.

　　真想不到你怎么會說出這種話來。

　　I said I'd go just to keep him happy.

　　我說過我要去只是為了讓他高興。

　　It's a free country; I'll say what I like!

　　這是個自由的國家，我想說什么就說什么！

　　It's not for me to say why he left.

　　不適宜由我說出他離開的原因。

　　He said he would be here at eight o'clock.

　　他說他將在八點鐘到達(dá)這里。