Here are the correct answers for the questions based on the provided image:

**Question 5 [813761]:**
The most striking technological success in the twentieth century is probably the computer revolution.
- **Answer: C. The - the**

**Question 6 [813762]:**
The rich have the responsibility to help the poor.
- **Answer: C. The - the**

**Question 7 [813763]:**
A large number of students in this school speak English quite fluently.
- **Answer: A. A**

**Question 8 [813764]:**
Would you like a cup of milk tea or a cup of hot chocolate after dinner?
- **Answer: A. a - a**

**Question 9 [887686]:**
The whale feeds by opening its mouth wide, waiting for masses of shrimp-like animals called krill.
- **Answer: B. The**

**Question 10 [887687]:**
We went by Ø train to the west of England.
- **Answer: B. Ø - the**

**Question 11 [887688]:**
The old man is working in this factory. I borrowed his bicycle yesterday.
- **Answer: C. The**

**Question 12 [887689]:**
The New York Times is a daily newspaper published in New York City.
- **Answer: A. The**

**Question 13 [887690]:**
He plays Ø badminton better than she does.
- **Answer: C. No article**

**Question 14 [887691]:**
He usually works early in the morning.
- **Answer: D. the**

**Question 15 [887692]:**
He nibbled a piece of bread while drawing a picture.
- **Answer: A. a**