when the red light is on ,you must always wait ( )the pavement.这裏是固定搭配用on

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when the red light is on ,you must always wait ( )the pavement.这裏是固定搭配用on
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when the red light is on ,you must always wait ( )the pavement.这裏是固定搭配用on
when the red light is on ,you must always wait ( )the pavement.这裏是固定搭配用on

when the red light is on ,you must always wait ( )the pavement.这裏是固定搭配用on
应该用at
at the pavement 在人行道上