9/40.
9.
Students loading and unloading a bus:
Is simple and does not need to be supervised.
Can be dangerous and should be supervised.
May be done without the bus driver present.
1349 63637 8 B [] 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests