123. Which of the following is a bad habit when changing lanes?

A. Turning on the indicator in advance

B. Observing closely before changing a lane

C. Change lanes at will

D. Not obstructing the passing of other normally moving vehicles

Answer：C

Previous question: 122. When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?

Next question: 124. What influence does smoking have upon driving?

2026年摩托车科目四英文版题库共345题，你可以免费查看前50题，完整版题库请添加微信购买：

The English version of the 2026 motorcycle subject 4 question bank has a total of 345 questions. You can view the top 50 questions for free. Please add WeChat to purchase the complete version of the question bank.

科目四试题

When driving on a long downhill road, which is the best way to control driving speed?
What is the meaning of this sign?
What is the meaning of this sign?
When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
Which one of the following measures is correct when a motor vehicle intends to overtake but the vehicle infront refuses to yield?
What should be checked before driving?
When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?
What is the meaning of this sign?
What is the meaning of this sign?
The article that cannot be used to stop bleeding by dressing is _________.
What is the meaning of this sign?
What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
How should a motor vehicle follow the other vehicle In front when driving on a road covered with ice and snow?
When two vehicles approach each other on a foggy day, what is the best method of safe driving?
What is the meaning of this sign?
What is the meaning of this sign?