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

______ his son away to college, the old couple got more room in the house[ ]

The food in the fridge _________ bad. Throw it away, please.

大家都知道，如果路边的小屋上写有W.C.的字样，那大概就是一个可以方便的地方。请问W.C.的完整英语形式是什么

He had his camera ready he was in the hotel room.[ ]