The second answer. Because “sus” is the only one which has the “s” because it is plural. If it would be “nuestro” it should had an “s” like “nuestros hijos son altos” or “tus hijos son altos”
Answer:
An anaerobic organism or anaerobe is any organism that does not require oxygen for growth. It may react negatively or even die if free oxygen is present. In contrast, an aerobic organism (aerobe) is an organism that requires an oxygenated environment.
Explanation: btw thanks to, microscopemaster.com for helping me.
1. tener miedo
2. tener cuidado
3. tener que
4. tener ganas
5. tener razon
6. tener mucho suerte