121. How should lamps be used when motor vehicle drivers pass through a two-way tunnel?
A. Turn on the hazard lamps
B. Turn on the high-beam
C. Turn on the fog lamp
D. Turn on the low-beam
Answer：D
Previous question: 120. How should lamps be used by the motor vehicle driver who follows a vehicle on a road section where the street light condition is good?
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
- As shown in this flash, what should the motor vehicle driver do when encounters this situation?
- 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?
- What should the driver do if he encounters pedestrians in this situation at an intersection?
- A motor vehicle should not pass the level crossing rapidly in this situation.
- Mr. Ran drove his car from 6am until 11 am without rest, falling down a steep 8.5-meter ridge at one side of a highway 1 km from Xunan Road in Xuahan County, killing 13 people and injuring 9. Which of the following law-breaking acts did Mr Ran commit?
- When driving into the traffic flow on a main road from a relief road, drivers should speed up.
- 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.
- What should be done first after getting into the vehicle?
- What should the driver do to ensure the motor vehicle passes the level crossing safely?
- When approaching a sharp curve, motor vehicle drivers should reduce speed only after entering the curve.
- What is the meaning of the sign on the right?
- How should the driver use vehicle lights when the motor vehicle leaves a roundabout?
- What should be done by the driver who intends to overtake but the motor vehicle in front neither reduces its speed nor allows the right of way?
- The sign on the right side warns of a sharp right turn ahead.
- Motor vehicles should stop and wait when encountering two red lights flashing alternately at level crossings.
- What should motor vehicle drivers do when going straight and passing through the intersection ahead?