Based on the passage, here are the best answers for the blanks:

1. (1) **A. feels**
2. (2) **C. find**
3. (3) **A. looks**
4. (4) **D. enjoying**
5. (5) **A. motivated**
6. (6) **C. have**

So the completed sentences would read as follows:

1. "Living in the city (1) feels like being in a concrete jungle."
2. "Sometimes, it's hard (2) to find a moment of peace."
3. "There are tall buildings (3) that look impressive."
4. "The city is full of life, (4) enjoying every moment."
5. "The city has a vibrant energy that keeps me (5) motivated."
6. "Ann says you’re (6) having an important exam next week, right?"

Feel free to ask if you need further assistance!