In some locations retail stores and media companies team （）to operate kids clubs －－－a form.of marketing.

His story convinced everyone （）his innocence.

A.of
B.about
C.in
D.for

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Six pre－school aged children are talking to the camera about how good the juice tastes，with the voice of an adult （）into the background talking about the nutritional value.

A.interfered
B.interactive
C.interspersed
D.interrelated

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