根据句意和首字母提示每空填一个单词，使句意完整。

1. Do you like ball s________?

2. Don't worry. Let me h________ you.

3. Playing baseball is not very easy. It's d________.

4. Tennis is an e________ in the Olympic Games.

5. A________ comes after July.

6. Mary works very long h________, so she is very t________.

7. The hat is not big. It's s________.