Answer:
1. write - Everyday I write my diary before sleeping. (transitive)
2. think - I don't think it will work. (intransitive)
3. present - He presented a bouquet on my birthday. (transitive)
3. walk - You must walk everyday. (intransitive)
4. rain - It rains everyday here. (intransitive)
5. leave - He left his suitcase in the cloak room. (transitive)
6. erase - I erased the answer as it wasn't correct. (transitive)
7. cook - My mom cooks delicious pasta. (transitive)
8. investigate - The police investigated, but found no proof. (intransitive)
9. support - I will always support you. (transitive)
10. prepare - I prepared this collage to present it to my friend on her birthday. (transitive)
Explanation:
The verbs used with an object are transitive verbs, and without object, they are intransitive.
Hope it helps you.