一、根据句意及所给中文提示，写出句中所缺单词。
1. We have a class meeting on (星期三) afternoon.
( 2013新疆阜康、米泉)
2.Yangzhou has a (历史) of nearly 2,500 years. (2013江苏扬州)
3. It’s said the game Angry Birds has been downloaded (百万) of times.
(2013江苏连云港)
4. Jim’s parents will celebrate their (四十) years of marriage this Sunday.
(2013江苏扬州)
5. When the boy rushed across the finishing line, his mother cheered with an (兴奋的) look on her face.
(2013江苏常州)
