It’s always difficult being in a foreign country, ________ if you don’t speak the language.

You shouldn’t drive        fast.It’s dangerous.

It’s hard for him playing against me.I’ve got nothing to play for,but for him,he needs to win so______.

 — Do you know the reason why the Whites got divorced? — No, they haven’t quarreled with each other since they got married. _______, they broke up finally. 

—Have you finished your experiment report, Jane?—Oh, my God. I’ve _____ forgotten all about that.