1. Thank / much / alarm clock / send me / 15th birthday.

=>Thank you very much for the alarm clock you sent me on my 15th birthday.

2. It / just / what/ need.

=> It's just what I need.

3. I / terrible / get up late / every morning.

=> I'm terrible to get up late every morning.

4. Thanks / your present / I / wake up / time.

=> Thanks to your present, I can wake up on time.

5. I / hope / you both well.

=>I hope you're both well.

6. I/ look forward / see / you / Christmas.

=>I'm looking forward to seeing you at Christmas.