【推荐1】是时候堆个雪人了。(It’s time to do sth)
________snowman.

【推荐2】虽然很难量化，但据估计，全世界每年有数百万人因空气污染而过早死亡。
Though it is very difficult to quantify, _________ __________ _________ that millions of people die prematurely due to air pollution each year worldwide.

【推荐1】_____________________________, I brought snacks from home, things that didn’t have any added sugar: fruit, nuts, dried meat, etc.
每当我和朋友出去的时候，我都会从家里带一些零食，一些没有添加任何糖分的东西：水果、坚果、干肉等等。

【推荐2】我们预定了一个房间，但是当我们按照预定的时间到达时，却被告知没有空房了。
We had booked a room, ________________, only to be told there were no rooms available.