根据句意及首字母提示补全单词。

1. There are usually(通常)t_________ days in February.

2. - When is your b_______, Tina?  

    - It is July 5th.

3. John is fifteen y________ old.

4. We have an Art F__________ each year.

5. H_______ old is your father?

6. O_________ 1st is our National Day(国庆节).

7. - How much is it?   -- It is 20 d_________.

8. The birthday p_________ is October tenth.

9. The sixth month of a year is J___________.

10. The last month of a year is D___________.