根据句意及首字母提示，在空白处填入适当单词。

1. We often borrow books from the school l______.

2. Wednesday is b______ Tuesday and Thursday.

3. On lunar (农历) April 8th,the hmong people (苗族) in Songtao often c______ their

    traditional (传统) festival "April Eighth (四月八)".

4. — What's your favorite s______? 

    — I like summer best.

5. Shanghai 2010 World Expo(世博会)lasts from May 1st to O______ 30th.