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
- What should motor vehicle drivers do under the circumstances shown in the flash?
- What should the driver do in this situation?
- The driver should turn left by the left side of the intersection central point.
- What should the driver do if he wants to turn left at this intersection?
- When encountering this situation in a residential area the driver should sound the horn continuously.
- Which one of the following statements is the safest measure for a motor vehicle driver to take on this kind of road?
- Which lamp should be used when motor vehicles pass through an intersection at night where there is no traffic light signal?
- How many kinds of law-breaking acts are displayed in flash 5?
- When encountering such a situation, the vehicles should cut speed or stop to yield as approaching each other.
- When a motor vehicle equipped with ABS makes an emergency brake, the driver can tread the brake pedal heavily.
- Motor vehicle drivers don¡¯t need to use any lamp at night when passing through a road section where the street light condition is good.
- Motor vehicles are permitted to move to the right lane at this intersection.
- Motor vehicles should stop and yield rapidly when encountering this situation at a bus station.
- When encountering an obstacle on one side of the road, what should vehicles do as they approach each other?
- Mr. Hao drove a heavy dump truck with 84.84 tons of cargo (truck allowing for 15.58 tons). When he drove on the No 262 provincial highway in Luanxian County, at the spot of 34 kilometers mark by 623 meters, his truck overturned onto the sideway after a rear-end collision with another truck in front carrying 45.85 tons of cargo(a truck allowing for 1.71 tons). As a result of this accident, 19 people were killed and 17 injured. What is the common illegal act of the two drivers?
- How should the driver use vehicle lights when the motor vehicle enters this intersection?