Okay, let's analyze each statement:
1. "He is working in our Southampton office until June." This describes a temporary situation, so it's a **T**.
2. "Please be quiet, the baby is sleeping." This is an action happening right now, so it's an **N**.
3. "I am studying French." This describes a temporary situation, so it's a **T**.
4. "Georgia is having Spanish lessons these days." This describes a temporary situation, so it's a **T**.
5. "Look! It's raining outside." This is an action happening now, so it's an **N**.
So, the answers are:
1. **T**
2. **N**
3. **T**
4. **T**
5. **N**