题目内容
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[主观题]
The new study concluded that being bilingual is found helpfulA．only when you use a foreign
The new study concluded that being bilingual is found helpful
A．only when you use a foreign language to talk with foreigners.
B．only when you have to learn two languages in the same setting.
C．only when you speak different languages in school and at home.
D．only when you speak foreign languages both in school and at home.
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