on holiday 還是on holidays

到底是 on holiday 還是on holidays？其中的 holiday 到底該用單數還得複數？

_________ the railways put on special trains.

A. In holiday B. On holiday C. In holidays D. On holidays

現分析如下：

大家知道，on holiday是習語，意爲“在休假”，該短語通常用介詞 on 而不用 in，且其中的holiday 通常不用複數，且其中也不用冠詞，但有時可用物主代詞 (此時可用複數，即 on one's holidays)。基於此認識，許多同學便選了B。

其實此題最佳答案爲D，on holiday 和 on holidays 均可用說，衹是含義不同：

1. 短語 on holiday，可用作表語或狀語，其中通常不用冠詞，但有時可用物主代詞。如：

I'll be on holiday next month. 我下個月全月休假。

The typist is away on holiday this week. 打字員本周休假。

I met a lot of interesting people on holiday. 我度假時碰到很多有趣的人。

We're touring Italy on our holiday. 我們正在意大利觀光度假。

They are on their holiday in Paris. 他們在巴黎度假。

It's costing me a small fortune to send children on holiday. 送孩子們度假花了我一大筆錢。

Where to go on holiday is always a bone of contention in our family. 到哪去度假縂是引起家裡的爭執。

We are short of funds at the moment, so we are not going on holiday. 眼下我們缺錢，所以不去度假了。

We couldn't decide where to go on holiday so we just picked a place out of a hat. 我們定不下來到哪兒去度假，就隨便選了個地方。

We're going on holiday with Mary and Daniel Sinclair. 我們要去與瑪麗和丹尼爾??辛尅萊一起度假。

It's rather tough on him falling ill just as he's about to go on holiday. 他正要去度假卻生病了，真倒黴。

'Queen Mother goes on Holiday' is hardly headline news! “王太後外出度假”可算不上什麽頭條新聞！

If you save some money each week, we can go on holiday. 要是你每星期能存點兒錢，喒們就可以外出度假了。

We always seem to take everything but the kitchen sink when we go on holiday. 我們度假時好像縂把一切能帶的東西都帶著。

They always take everything but the kitchen sink when they go on holiday. 外出度假時，他們除了廚房水槽，把什麽都帶上了。

Our team dropped behind in the league matches when a third of the players went on holiday. 我們的隊伍由於三分之一的隊員在度假而在聯賽中落後了。

2. 短語 on holidays，主要是用來表示諸如元旦、國慶等假日。如：

Travel is very heavy here on holidays. 假日這裡的交通很擁擠。

On holidays the railways put on special trains. 假日鉄路增開專列。