Sure, I can help with this. Here are the answers for the sections you provided:

### Section 1:
**Fill in the blanks with the best answer.**

1. **A** - In spite
2. **C** - above
3. **B** - a little
4. **C** - neither do I
5. **D** - so do

**Write your answers here:**
1. 8
2. 8
3. 32
4. 35
5. 34

### Section 2: Correct the mistakes.

1. The driver of the car was **seriously** injured in the accident.
- Correction: **seriously**
- (Change “serious” to **seriously**)

2. The public library in the city has **thousands** of good books.
- Correction: **thousands**
- (Change “thousand” to **thousands**)

3. In spite of her tiredness, she went to school with her friends.
- Correction: **tiredness**
- (Change “tired” to **tiredness**)

4. The most common traffic problem in the city around the world is **traffic jams**.
- Correction: **traffic jams**
- (Change “traffic jams” to **traffic jams**)

5. Tom Hanks is one of the most famous and **richest** actors in Hollywood.
- Correction: **richest**
- (Change “rich” to **richest**)

### Section 4: Fill in the blanks selecting the most suitable word.

1. **C** - reached
2. **A** - about
3. **B** - population
4. **A** - explode
5. **B** - in
6. **A** - lives
7. **D** - difficult
8. **C** - necessary
9. **A** - find

Feel free to reach out if you need further assistance!