多选题 · 可选多项
What must you do before changing from the left-hand lane to the right-hand lane? Select all correct answers.
从左车道向右车道变道前，必须怎么做？选择所有正确答案。
Signal right for at least three seconds, check mirrors and your right blind spot before moving right.
从左车道向右车道变道，至少提前3秒打右灯，检查镜子及右侧盲点。
阅读相关知识
Give way to the destination lane and move smoothly into a safe gap. A signal gives no right to force in.
给目标车道车辆让行，在有安全间距后平稳变道。转向灯不赋予插入车流的优先权。