139. How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
A. Turn on the left-turn indicator
B. Turn on the hazard lamps
C. No need to turn on any indicators
D. Turn on the right-turn indicator
Answer：D
Previous question: 138. How should the driver use vehicle lights when the motor vehicle enters this intersection?
Next question: 140. What should the driver pay attention to when the motor vehicle on the main road approaches a junction with a feeder road?
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
- Which one of the following is the safest way to pass the oncoming vehicle on this road?
- Which of the following measures is incorrect when a motor vehicle stops?
- What does this sign on the fly-over junction indicate?
- Mr. Qian drove a large sleeper coach with 45 passengers (capacity 40 people) at a speed of more than 40 kilometers per hour. On a long slope with sharp curves in Basu County, the coach fell into a 100-meter-deep valley, killing 17 people and injuring 20. What is the main illegal act committed by Mr. Qian?
- 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?
- Motor vehicles are not permitted to change lanes in this position.
- Which one of the following is a safe way for motor vehicles to converge into an intersection marked with this sign?
- When encountering this situation in a residential area, the driver should follow them closely.
- Mr. Li drove a large bus with 21 passengers (capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour (speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What is the main illegal act committed by Mr. Li?
- Mr. Peng drove a heavy semi-trailer tractor with 37.7 tons of cargo (capacity 25 tons). When descending a slope on the Daguang Expressway, the tractor had a rear-end collision with Mr. Li¡¯s heavy dump truck (carrying 3.17 cubes of loess and 24 passengers in the container) occupying the emergency lane. As a result of this accident, 16 people were killed and 13 injured. What are the main illegal acts in this case?
- What should the driver do in case the public bus suddenly pulls out from this bus station?
- Which lamp should be used when motor vehicles pass through an intersection at night where there is no traffic light signal?
- After setting off from a roadside, motor vehicle drivers should watch both sides of the road, turn left and drive into the normal lane slowly.
- The driver should pay attention to the left side when the motor vehicle passes this intersection.
- Motor vehicles should accelerate when driving into an intersection with this traffic signal.
- The driver may not change lanes when the motor vehicle turns right at this intersection.