根据句意及首字母提示补全下列单词，使句子完整。

1．After school, the teachers often gives us some h______ to do.

2．In summer, many s            swim in that lake.

3．The students can get books from the school 1_______.

4．We do morning e            at 8:00 a.m. every day.

5．The boy's mother s             two hours watching TV every day.