Answer:
If you want to say someone's starting a new career, say, becoming a doctor, use werden. Er wird Arzt. He's becoming a doctor.
1. hast
2. haben
3. habt
4. haben
5. habe
The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
Im pretty sure<span>Ich bin vor dem Fernseher</span> means watching televison.