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In North America, most students go to school ______the school bus．

A． on                B． in                 C． by               D． take

In North America, most students go to school ______ the school bus．

A．on        B．in         C．by         D．take

In North America, most students go to school ________the school bus．

[　　]

In North America, most students go to school ________the school bus．

[　　]

In North America，most students go to school________ the school bus.

[　　]