In the 20th century ,Chinese high school students would show

In the 20th century ,Chinese high school students would show their new school-bags ,new clothes or new pens to their classmates when the new term started .Today ,however ,all have (1)If you still come back to school (2) only these things ,you are falling out-of-date(过时的）.Students in big cities like to bring the latest high-tech(高科技）things to school ,and feel happy and (3)to show off (炫耀）these things to (4).Mobile phones ,MP5 players ,CD players,electronic dictionaries ,the list is endless.()1.A.changed B.came C.joined()2.A.to B.with C.of()3.A.pleased B.lucky C.nice()4.A.other B.The other C.others