Optional.
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Encouraged, especially if there is extra room on the bus.
|
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Encouraged if there are more than 15 passengers present.
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Required by law.
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Optional.
|
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Encouraged, especially if there is extra room on the bus.
|
|
Encouraged if there are more than 15 passengers present.
|
|
Required by law.
|
Answer correctly : 0 | Wrong : 0
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