112/470.
2.
A standee line on a bus:
Marks where riders may not stand.
Is useful to get passengers to board and exit the bus.
Is a part of the air conditioning system.
19 23474 CDL 111 A "" 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests