初中英语词汇选词填空

The earlier you travel 　   　，the better you can learn the lessons traveling can teach you. （ wide ）

Yesterday Alice tried paragliding and she enjoyed 　   　 very much. （ her ）

In 1920，the 　    first three﹣color traffic light was put to use. （ world ）

Our classroom used to be on the       　 floor of that building. （ four ）

Students across China buy 2，800 million new 　   　 every year. （ textbook ）