Помогите What039;s in the first shark039;s stomach? Use There039;s or There

Помогите What's in the first shark's stomach? Use There's or There are + a, an or some.
1.There's a tennis racket.( эталон )
2. There are some bottels.( образец )
3. ...................... guitar
4. ..................... umbrellas
5 ....................... surfboard
6 ....................... trainers
7 ....................... octopus
8 ....................... bassebal caps