大家都搜：
一定是圣诞节了
1、must be the───一定是
2、must be happy───一定很开心
3、that must be───那一定是
4、must be nice───一定很好
5、it must be───它必须是；一定是
6、must be that───一定是那个
7、be must───必须
8、must do it───我必须这么做
9、be must for───必须
1、Christmas decorations must be taken down on the Twelfth Day after Christmas otherwise it brings bad luck for the rest of the year.───圣诞装饰物必须在圣诞节后的第十二天拿下来，否则会给全年带来霉运。
2、really a shame we can't be together at Christmas... you must be jumping for joy!───我们不能在一起过圣诞节真是太可惜了……您一定乐得跳起来了！羍。
3、And this is a surprise for my husband for Christmas. It must be corrected. I need a gray scarf.───并且这是给我丈夫的圣诞礼物，必须加以更正，我需要一条灰色的围巾。