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

　　真想不到你怎么會(huì )說(shuō)出這種話(huà)來(lái)。

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

　　我說(shuō)過(guò)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(gè)自由的國家，我想說(shuō)什么就說(shuō)什么！

　　It's not for me to say why he left.

　　不適宜由我說(shuō)出他離開(kāi)的原因。

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

　　他說(shuō)他將在八點(diǎn)鐘到達這里。