----- Nội dung dịch tự động từ ảnh ----- Is one of the most help us to campaign for cleaner air for everybody. Question 2: Fill in the blanks with one suitable word. The first letter has been provided: Every December millions of Christmas cards go through the post. There are pictures of stars and In these days it is hard to think of Christmas (2) (1) . Christmas cards. Yet little over a hundred and fifty years ago there were snow or Christmas W..... (3) at all. Here is just one story of the way in which they started. Some boys of those days who were at boarding schools had to write a special piece of English at .... . This was sent to their (5) p.... n..... Christmas (4) t.... the boys' work was during the year. Young people like to make little poems. These boys were the so that they could see how on the paper when they write letters or .They used to draw little pictures all (8) the writing. Sometimes they coloured them, and after a time the pictures became more (6) d.. (7) s.... r.... Christmas cards. (9) i. . than the writing. These were the (10) f.....