21. One day, Mr. Yang drove a large bus with 57 passengers (bus capacity 55 people) from 7 pm to 1 am the following morning. At the spot of 3008 kilometers mark by 110 meters on the No. 050 National Road in Jin Chengjiang District, the bus had a malignant traffic accident caused by front left tire burst, killing 12 people and injuring 22. What is the main illegal act committed by Mr. Yang?
A. Fatigued driving
B. Carrying more passengers than permitted
C. Speeding
D. Misoperation
Answer：AB
2026年科目四英文版题库共700题，你可以免费查看前200题，完整版题库请添加微信购买：
The English version of the 2026 subject 4 question bank has a total of 700 questions. You can view the top 200 questions for free. Please add WeChat to purchase the complete version of the question bank.
Subject 4 test questions
- Mr. Tao drove a midsize bus with 33 passengers. At the spot of 163 kilometers on the South Xuping Expressway, the bus clashed at a speed of 120 kilometers per hour with Mr. Ans minibus parked without any warning signs on the inside lane, due to breakdown after an accident. The midsize bus overturned after collided with the guardrail on the right-hand side. As a result of the accident, 16 people were killed and 15 injured. What are the main illegal acts of the two drivers?
- Motor vehicles drivers may overtake by borrowing the opposite lane on this kind of road.
- When a motor vehicle temporarily stops in fog, which lamp should be turned on?
- When passing a sharp curve, motor vehicle drivers may overtake if there are few other vehicles on the road.
- What is the function of ABS during emergency braking?
- When seeing this sign, the driver should slow down promptly.
- Mr. Tong drove a large bus (capacity 55 people and carrying 54) to Taiyuan City. When he drove on a muddy road at the speed of 45 kilometers per hour, the bus skidded into a deep ditch, killing 14 people dead and badly injuring 40 What is the main illegal act committed by Mr. Tong?
- When encountering this situation in a residential area the driver should sound the horn continuously.
- Under the circumstances shown in the flash, what should be done by the vehicle in front?
- Which of the following measures is incorrect when a motor vehicle stops?
- What should the driver do if he wants to turn left at this intersection?
- A driver should accelerate in advance to overtake then it is likely to meet with oncoming vehicles.
- Motor vehicles are prohibited from turning left in this situation.
- How many kinds of law-breaking acts are displayed in flash 3?
- Motor vehicles are not permitted to change lanes in this position.
- What should motor vehicle drivers do under the circumstances shown in the flash?