I will just tell you the answer to each question.
5- True.
6- true
7- My dog the best golden-doodle ever, spins in the air when he is excited.
8- He plays the electric, bass and acoustic guitars.
9- Honestly I love to wear sweatshirts in the middle of the summer, even though it is hot. (the comma should go after Honestly)
10- I enjoy playing basketball and volleyball but, today has been too beautiful to playing in the gym. (comma should go right after volleyball, and before but)