According to school bus safety rules, when a school bus stops on the road to _____or pick up students, other vehicles behind it must stop to wait.
A.drop off
B.take off
C.pay off
D.turn off
网友回答
A解析考查词组。Drop off 减少，下车 take off飞机起飞，事业腾飞 pay off付清 turn off关闭句意为，根据最新的交通规则，当一个校车在路边停靠让学生下车或者接学生的时候，其他的机动车辆必须停止并且等待。