One would say "dieser Schlüssel" in German. The word "Schlüssel" is a masculine noun, so it takes the masculine form of the demonstrative pronoun "dieser." Therefore, the correct way to say "this key" in German is "dieser Schlüssel." **

Yes, Peter visits. **

Visiting after birth can be a wonderful way to show support and love for the new parents and baby. However, it's important to remember that the new family may need time to adjust and bond with their new addition. It's best to check in with the parents and ask if they are ready for visitors, and to be understanding if they need some time before welcoming guests. When visiting, it's important to be respectful of the family's needs and boundaries, and to offer practical help and support rather than expecting to be entertained. **

During my last visit to Los Angeles, I visited the Hollywood Walk of Fame, where I saw the famous handprints and stars of celebrities. I also went to the Griffith Observatory to enjoy the stunning views of the city and learn about astronomy. Additionally, I explored the vibrant neighborhoods of Venice Beach and Santa Monica, enjoying the beautiful beaches and lively atmosphere. Overall, my visit to Los Angeles was filled with iconic landmarks and memorable experiences. **

The decision of which countries to visit ultimately depends on personal preferences, interests, and safety considerations. Some countries known for their natural beauty and rich cultural heritage, such as Italy, Japan, and New Zealand, are popular destinations for travelers. On the other hand, countries with ongoing political instability or high levels of crime, such as Syria, Afghanistan, and Venezuela, may not be safe for tourists to visit. It's important to research and consider travel advisories before planning a trip to any destination. **

Based on the information provided, it may be best to postpone the visit to your friend's house. Your friend is feeling unwell and may need time to rest and recover. It is important to prioritize their health and well-being. You can always reschedule the visit for a later date when your friend is feeling better. **

Yes, the visit should go ahead as planned. It is important to honor commitments and maintain good relationships with others. Additionally, the visit may provide valuable opportunities for connection, learning, and growth. It is important to be respectful of others' time and efforts by following through on planned visits. **

Unannounced visits can be considered impolite in many situations, as they can disrupt the recipient's schedule and personal space. It's important to respect people's boundaries and give them the opportunity to prepare for a visit. However, cultural norms and relationships between individuals can also play a role in determining whether an unannounced visit is considered impolite. In some cases, close friends or family members may feel comfortable dropping by unannounced, while in other situations it may be more appropriate to schedule a visit in advance. **